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Finding the Fourth Proportional to 577,719.92, 866,404.92 and 156,941.12

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Solution

The fourth proportional to 577,719.92, 866,404.92 and 156,941.12 is: 235,364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,719.92 : 866,404.92 = 156,941.12 : x
  2. Step 2: Convert to fraction form
    577,719.92/866,404.92 = 156,941.12/x
  3. Step 3: Cross multiply
    577,719.92x = 866,404.92 × 156,941.12
  4. Step 4: Simplify right side
    577,719.92x = 135,974,558,518.31
  5. Step 5: Solve for x
    x = 135,974,558,518.31/577,719.92
  6. Step 6: Final answer
    x = 235,364.15

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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.