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Finding the Fourth Proportional to 369,371.68, 554,022.96 and 158,970.40

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Solution

The fourth proportional to 369,371.68, 554,022.96 and 158,970.40 is: 238,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,371.68 : 554,022.96 = 158,970.40 : x
  2. Step 2: Convert to fraction form
    369,371.68/554,022.96 = 158,970.40/x
  3. Step 3: Cross multiply
    369,371.68x = 554,022.96 × 158,970.40
  4. Step 4: Simplify right side
    369,371.68x = 88,073,251,560.38
  5. Step 5: Solve for x
    x = 88,073,251,560.38/369,371.68
  6. Step 6: Final answer
    x = 238,440.73

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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.