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Finding the Fourth Proportional to 527,954.48, 728,568.24 and 298,507.92

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Solution

The fourth proportional to 527,954.48, 728,568.24 and 298,507.92 is: 411,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,954.48 : 728,568.24 = 298,507.92 : x
  2. Step 2: Convert to fraction form
    527,954.48/728,568.24 = 298,507.92/x
  3. Step 3: Cross multiply
    527,954.48x = 728,568.24 × 298,507.92
  4. Step 4: Simplify right side
    527,954.48x = 217,483,389,900.46
  5. Step 5: Solve for x
    x = 217,483,389,900.46/527,954.48
  6. Step 6: Final answer
    x = 411,935.87

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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.