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Finding the Fourth Proportional to 767,713.20, 1,151,569.80 and 607,354.80

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Solution

The fourth proportional to 767,713.20, 1,151,569.80 and 607,354.80 is: 911,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,713.20 : 1,151,569.80 = 607,354.80 : x
  2. Step 2: Convert to fraction form
    767,713.20/1,151,569.80 = 607,354.80/x
  3. Step 3: Cross multiply
    767,713.20x = 1,151,569.80 × 607,354.80
  4. Step 4: Simplify right side
    767,713.20x = 699,411,445,565.04
  5. Step 5: Solve for x
    x = 699,411,445,565.04/767,713.20
  6. Step 6: Final answer
    x = 911,032.20

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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.