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Finding the Fourth Proportional to 363,898.17, 545,034.83 and 279,033.26

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Solution

The fourth proportional to 363,898.17, 545,034.83 and 279,033.26 is: 417,926.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,898.17 : 545,034.83 = 279,033.26 : x
  2. Step 2: Convert to fraction form
    363,898.17/545,034.83 = 279,033.26/x
  3. Step 3: Cross multiply
    363,898.17x = 545,034.83 × 279,033.26
  4. Step 4: Simplify right side
    363,898.17x = 152,082,841,308.11
  5. Step 5: Solve for x
    x = 152,082,841,308.11/363,898.17
  6. Step 6: Final answer
    x = 417,926.92

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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.