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Finding the Fourth Proportional to 472,257.54, 708,595.29 and 247,564.49

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Solution

The fourth proportional to 472,257.54, 708,595.29 and 247,564.49 is: 371,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,257.54 : 708,595.29 = 247,564.49 : x
  2. Step 2: Convert to fraction form
    472,257.54/708,595.29 = 247,564.49/x
  3. Step 3: Cross multiply
    472,257.54x = 708,595.29 × 247,564.49
  4. Step 4: Simplify right side
    472,257.54x = 175,423,028,042.28
  5. Step 5: Solve for x
    x = 175,423,028,042.28/472,257.54
  6. Step 6: Final answer
    x = 371,456.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.