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Finding the Fourth Proportional to 351,951.70, 527,927.54 and 162,355.97

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Solution

The fourth proportional to 351,951.70, 527,927.54 and 162,355.97 is: 243,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,951.70 : 527,927.54 = 162,355.97 : x
  2. Step 2: Convert to fraction form
    351,951.70/527,927.54 = 162,355.97/x
  3. Step 3: Cross multiply
    351,951.70x = 527,927.54 × 162,355.97
  4. Step 4: Simplify right side
    351,951.70x = 85,712,186,577.67
  5. Step 5: Solve for x
    x = 85,712,186,577.67/351,951.70
  6. Step 6: Final answer
    x = 243,533.95

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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.