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Finding the Fourth Proportional to 651,805.40, 977,708.10 and 604,566.20

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Solution

The fourth proportional to 651,805.40, 977,708.10 and 604,566.20 is: 906,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,805.40 : 977,708.10 = 604,566.20 : x
  2. Step 2: Convert to fraction form
    651,805.40/977,708.10 = 604,566.20/x
  3. Step 3: Cross multiply
    651,805.40x = 977,708.10 × 604,566.20
  4. Step 4: Simplify right side
    651,805.40x = 591,089,270,726.22
  5. Step 5: Solve for x
    x = 591,089,270,726.22/651,805.40
  6. Step 6: Final answer
    x = 906,849.30

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Half scale
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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.