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Finding the Fourth Proportional to 524,871.60, 787,432.38 and 169,885.68

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Solution

The fourth proportional to 524,871.60, 787,432.38 and 169,885.68 is: 254,868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,871.60 : 787,432.38 = 169,885.68 : x
  2. Step 2: Convert to fraction form
    524,871.60/787,432.38 = 169,885.68/x
  3. Step 3: Cross multiply
    524,871.60x = 787,432.38 × 169,885.68
  4. Step 4: Simplify right side
    524,871.60x = 133,773,485,330.32
  5. Step 5: Solve for x
    x = 133,773,485,330.32/524,871.60
  6. Step 6: Final answer
    x = 254,868.97

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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.