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Finding the Fourth Proportional to 472,239.68, 708,568.90 and 247,546.49

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Solution

The fourth proportional to 472,239.68, 708,568.90 and 247,546.49 is: 371,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,239.68 : 708,568.90 = 247,546.49 : x
  2. Step 2: Convert to fraction form
    472,239.68/708,568.90 = 247,546.49/x
  3. Step 3: Cross multiply
    472,239.68x = 708,568.90 × 247,546.49
  4. Step 4: Simplify right side
    472,239.68x = 175,403,739,956.45
  5. Step 5: Solve for x
    x = 175,403,739,956.45/472,239.68
  6. Step 6: Final answer
    x = 371,429.49

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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.