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Finding the Fourth Proportional to 656,353.38, 984,530.02 and 157,717.38

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Solution

The fourth proportional to 656,353.38, 984,530.02 and 157,717.38 is: 236,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,353.38 : 984,530.02 = 157,717.38 : x
  2. Step 2: Convert to fraction form
    656,353.38/984,530.02 = 157,717.38/x
  3. Step 3: Cross multiply
    656,353.38x = 984,530.02 × 157,717.38
  4. Step 4: Simplify right side
    656,353.38x = 155,277,495,285.75
  5. Step 5: Solve for x
    x = 155,277,495,285.75/656,353.38
  6. Step 6: Final answer
    x = 236,576.06

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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.