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Finding the Fourth Proportional to 527,963.54, 729,191.07 and 357,902.42

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Solution

The fourth proportional to 527,963.54, 729,191.07 and 357,902.42 is: 494,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,963.54 : 729,191.07 = 357,902.42 : x
  2. Step 2: Convert to fraction form
    527,963.54/729,191.07 = 357,902.42/x
  3. Step 3: Cross multiply
    527,963.54x = 729,191.07 × 357,902.42
  4. Step 4: Simplify right side
    527,963.54x = 260,979,244,949.43
  5. Step 5: Solve for x
    x = 260,979,244,949.43/527,963.54
  6. Step 6: Final answer
    x = 494,313.01

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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.