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Finding the Fourth Proportional to 554,177.71, 764,765.36 and 299,528.11

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Solution

The fourth proportional to 554,177.71, 764,765.36 and 299,528.11 is: 413,348.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,177.71 : 764,765.36 = 299,528.11 : x
  2. Step 2: Convert to fraction form
    554,177.71/764,765.36 = 299,528.11/x
  3. Step 3: Cross multiply
    554,177.71x = 764,765.36 × 299,528.11
  4. Step 4: Simplify right side
    554,177.71x = 229,068,722,874.27
  5. Step 5: Solve for x
    x = 229,068,722,874.27/554,177.71
  6. Step 6: Final answer
    x = 413,348.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.