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Finding the Fourth Proportional to 369,995.38, 554,895.87 and 159,586.54

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Solution

The fourth proportional to 369,995.38, 554,895.87 and 159,586.54 is: 239,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,995.38 : 554,895.87 = 159,586.54 : x
  2. Step 2: Convert to fraction form
    369,995.38/554,895.87 = 159,586.54/x
  3. Step 3: Cross multiply
    369,995.38x = 554,895.87 × 159,586.54
  4. Step 4: Simplify right side
    369,995.38x = 88,553,909,967.90
  5. Step 5: Solve for x
    x = 88,553,909,967.90/369,995.38
  6. Step 6: Final answer
    x = 239,337.88

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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.