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Finding the Fourth Proportional to 735,073.92, 1,013,472 and 480,021.12

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Solution

The fourth proportional to 735,073.92, 1,013,472 and 480,021.12 is: 661,821.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,073.92 : 1,013,472 = 480,021.12 : x
  2. Step 2: Convert to fraction form
    735,073.92/1,013,472 = 480,021.12/x
  3. Step 3: Cross multiply
    735,073.92x = 1,013,472 × 480,021.12
  4. Step 4: Simplify right side
    735,073.92x = 486,487,964,528.64
  5. Step 5: Solve for x
    x = 486,487,964,528.64/735,073.92
  6. Step 6: Final answer
    x = 661,821.83

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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.