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Finding the Fourth Proportional to 363,908.40, 545,862.60 and 204,476.10

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Solution

The fourth proportional to 363,908.40, 545,862.60 and 204,476.10 is: 306,714.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,908.40 : 545,862.60 = 204,476.10 : x
  2. Step 2: Convert to fraction form
    363,908.40/545,862.60 = 204,476.10/x
  3. Step 3: Cross multiply
    363,908.40x = 545,862.60 × 204,476.10
  4. Step 4: Simplify right side
    363,908.40x = 111,615,855,583.86
  5. Step 5: Solve for x
    x = 111,615,855,583.86/363,908.40
  6. Step 6: Final answer
    x = 306,714.15

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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.