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Finding the Fourth Proportional to 707,439.08, 974,103.71 and 533,262.30

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Solution

The fourth proportional to 707,439.08, 974,103.71 and 533,262.30 is: 734,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,439.08 : 974,103.71 = 533,262.30 : x
  2. Step 2: Convert to fraction form
    707,439.08/974,103.71 = 533,262.30/x
  3. Step 3: Cross multiply
    707,439.08x = 974,103.71 × 533,262.30
  4. Step 4: Simplify right side
    707,439.08x = 519,452,784,833.13
  5. Step 5: Solve for x
    x = 519,452,784,833.13/707,439.08
  6. Step 6: Final answer
    x = 734,272.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.