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Finding the Fourth Proportional to 363,863.43, 545,853.51 and 153,532.35

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Solution

The fourth proportional to 363,863.43, 545,853.51 and 153,532.35 is: 230,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,863.43 : 545,853.51 = 153,532.35 : x
  2. Step 2: Convert to fraction form
    363,863.43/545,853.51 = 153,532.35/x
  3. Step 3: Cross multiply
    363,863.43x = 545,853.51 × 153,532.35
  4. Step 4: Simplify right side
    363,863.43x = 83,806,172,146.05
  5. Step 5: Solve for x
    x = 83,806,172,146.05/363,863.43
  6. Step 6: Final answer
    x = 230,323.15

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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.