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Finding the Fourth Proportional to 623,842.20, 935,763.30 and 606,346.20

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Solution

The fourth proportional to 623,842.20, 935,763.30 and 606,346.20 is: 909,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,842.20 : 935,763.30 = 606,346.20 : x
  2. Step 2: Convert to fraction form
    623,842.20/935,763.30 = 606,346.20/x
  3. Step 3: Cross multiply
    623,842.20x = 935,763.30 × 606,346.20
  4. Step 4: Simplify right side
    623,842.20x = 567,396,521,054.46
  5. Step 5: Solve for x
    x = 567,396,521,054.46/623,842.20
  6. Step 6: Final answer
    x = 909,519.30

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Half scale
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Double scale
Find fourth proportional to 623,843.20, 935,764.80 and 606,347.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.