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Finding the Fourth Proportional to 408,745.20, 564,117.48 and 247,595.52

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Solution

The fourth proportional to 408,745.20, 564,117.48 and 247,595.52 is: 341,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,745.20 : 564,117.48 = 247,595.52 : x
  2. Step 2: Convert to fraction form
    408,745.20/564,117.48 = 247,595.52/x
  3. Step 3: Cross multiply
    408,745.20x = 564,117.48 × 247,595.52
  4. Step 4: Simplify right side
    408,745.20x = 139,672,960,801.69
  5. Step 5: Solve for x
    x = 139,672,960,801.69/408,745.20
  6. Step 6: Final answer
    x = 341,711.56

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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.