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Finding the Fourth Proportional to 376,128.92, 564,195.54 and 151,592.60

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Solution

The fourth proportional to 376,128.92, 564,195.54 and 151,592.60 is: 227,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,128.92 : 564,195.54 = 151,592.60 : x
  2. Step 2: Convert to fraction form
    376,128.92/564,195.54 = 151,592.60/x
  3. Step 3: Cross multiply
    376,128.92x = 564,195.54 × 151,592.60
  4. Step 4: Simplify right side
    376,128.92x = 85,527,868,817.00
  5. Step 5: Solve for x
    x = 85,527,868,817.00/376,128.92
  6. Step 6: Final answer
    x = 227,389.77

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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.