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Finding the Fourth Proportional to 472,962.68, 652,702.91 and 269,043.15

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Solution

The fourth proportional to 472,962.68, 652,702.91 and 269,043.15 is: 371,287.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,962.68 : 652,702.91 = 269,043.15 : x
  2. Step 2: Convert to fraction form
    472,962.68/652,702.91 = 269,043.15/x
  3. Step 3: Cross multiply
    472,962.68x = 652,702.91 × 269,043.15
  4. Step 4: Simplify right side
    472,962.68x = 175,605,245,575.35
  5. Step 5: Solve for x
    x = 175,605,245,575.35/472,962.68
  6. Step 6: Final answer
    x = 371,287.75

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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.