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Finding the Fourth Proportional to 624,148.20, 936,222.30 and 606,652.20

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Solution

The fourth proportional to 624,148.20, 936,222.30 and 606,652.20 is: 909,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,148.20 : 936,222.30 = 606,652.20 : x
  2. Step 2: Convert to fraction form
    624,148.20/936,222.30 = 606,652.20/x
  3. Step 3: Cross multiply
    624,148.20x = 936,222.30 × 606,652.20
  4. Step 4: Simplify right side
    624,148.20x = 567,961,317,984.06
  5. Step 5: Solve for x
    x = 567,961,317,984.06/624,148.20
  6. Step 6: Final answer
    x = 909,978.30

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Double scale
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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.