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Finding the Fourth Proportional to 354,956.38, 532,118.79 and 130,265.37

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Solution

The fourth proportional to 354,956.38, 532,118.79 and 130,265.37 is: 195,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,956.38 : 532,118.79 = 130,265.37 : x
  2. Step 2: Convert to fraction form
    354,956.38/532,118.79 = 130,265.37/x
  3. Step 3: Cross multiply
    354,956.38x = 532,118.79 × 130,265.37
  4. Step 4: Simplify right side
    354,956.38x = 69,316,651,063.30
  5. Step 5: Solve for x
    x = 69,316,651,063.30/354,956.38
  6. Step 6: Final answer
    x = 195,282.17

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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.