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Finding the Fourth Proportional to 475,541.79, 712,866.17 and 159,777.87

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Solution

The fourth proportional to 475,541.79, 712,866.17 and 159,777.87 is: 239,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,541.79 : 712,866.17 = 159,777.87 : x
  2. Step 2: Convert to fraction form
    475,541.79/712,866.17 = 159,777.87/x
  3. Step 3: Cross multiply
    475,541.79x = 712,866.17 × 159,777.87
  4. Step 4: Simplify right side
    475,541.79x = 113,900,237,438.77
  5. Step 5: Solve for x
    x = 113,900,237,438.77/475,541.79
  6. Step 6: Final answer
    x = 239,516.78

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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.