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Finding the Fourth Proportional to 408,800.58, 564,013.53 and 247,604.10

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Solution

The fourth proportional to 408,800.58, 564,013.53 and 247,604.10 is: 341,614.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,800.58 : 564,013.53 = 247,604.10 : x
  2. Step 2: Convert to fraction form
    408,800.58/564,013.53 = 247,604.10/x
  3. Step 3: Cross multiply
    408,800.58x = 564,013.53 × 247,604.10
  4. Step 4: Simplify right side
    408,800.58x = 139,652,062,483.47
  5. Step 5: Solve for x
    x = 139,652,062,483.47/408,800.58
  6. Step 6: Final answer
    x = 341,614.15

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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.