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Finding the Fourth Proportional to 527,141.08, 726,910.95 and 450,912.52

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Solution

The fourth proportional to 527,141.08, 726,910.95 and 450,912.52 is: 621,794.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,141.08 : 726,910.95 = 450,912.52 : x
  2. Step 2: Convert to fraction form
    527,141.08/726,910.95 = 450,912.52/x
  3. Step 3: Cross multiply
    527,141.08x = 726,910.95 × 450,912.52
  4. Step 4: Simplify right side
    527,141.08x = 327,773,248,280.09
  5. Step 5: Solve for x
    x = 327,773,248,280.09/527,141.08
  6. Step 6: Final answer
    x = 621,794.17

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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.