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Finding the Fourth Proportional to 621,151.10, 932,710.80 and 453,845.60

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Solution

The fourth proportional to 621,151.10, 932,710.80 and 453,845.60 is: 681,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,151.10 : 932,710.80 = 453,845.60 : x
  2. Step 2: Convert to fraction form
    621,151.10/932,710.80 = 453,845.60/x
  3. Step 3: Cross multiply
    621,151.10x = 932,710.80 × 453,845.60
  4. Step 4: Simplify right side
    621,151.10x = 423,306,692,652.48
  5. Step 5: Solve for x
    x = 423,306,692,652.48/621,151.10
  6. Step 6: Final answer
    x = 681,487.47

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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.