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Finding the Fourth Proportional to 663,146.68, 995,128.02 and 527,406.52

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Solution

The fourth proportional to 663,146.68, 995,128.02 and 527,406.52 is: 791,434.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,146.68 : 995,128.02 = 527,406.52 : x
  2. Step 2: Convert to fraction form
    663,146.68/995,128.02 = 527,406.52/x
  3. Step 3: Cross multiply
    663,146.68x = 995,128.02 × 527,406.52
  4. Step 4: Simplify right side
    663,146.68x = 524,837,005,982.69
  5. Step 5: Solve for x
    x = 524,837,005,982.69/663,146.68
  6. Step 6: Final answer
    x = 791,434.27

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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.