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Finding the Fourth Proportional to 385,027.92, 577,154.04 and 160,512.60

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Solution

The fourth proportional to 385,027.92, 577,154.04 and 160,512.60 is: 240,607.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,027.92 : 577,154.04 = 160,512.60 : x
  2. Step 2: Convert to fraction form
    385,027.92/577,154.04 = 160,512.60/x
  3. Step 3: Cross multiply
    385,027.92x = 577,154.04 × 160,512.60
  4. Step 4: Simplify right side
    385,027.92x = 92,640,495,560.90
  5. Step 5: Solve for x
    x = 92,640,495,560.90/385,027.92
  6. Step 6: Final answer
    x = 240,607.22

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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.