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Finding the Fourth Proportional to 576,510.27, 865,296.96 and 292,400.20

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Solution

The fourth proportional to 576,510.27, 865,296.96 and 292,400.20 is: 438,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,510.27 : 865,296.96 = 292,400.20 : x
  2. Step 2: Convert to fraction form
    576,510.27/865,296.96 = 292,400.20/x
  3. Step 3: Cross multiply
    576,510.27x = 865,296.96 × 292,400.20
  4. Step 4: Simplify right side
    576,510.27x = 253,013,004,163.39
  5. Step 5: Solve for x
    x = 253,013,004,163.39/576,510.27
  6. Step 6: Final answer
    x = 438,869.90

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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.