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Finding the Fourth Proportional to 472,644.12, 652,304.88 and 268,725.78

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Solution

The fourth proportional to 472,644.12, 652,304.88 and 268,725.78 is: 370,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,644.12 : 652,304.88 = 268,725.78 : x
  2. Step 2: Convert to fraction form
    472,644.12/652,304.88 = 268,725.78/x
  3. Step 3: Cross multiply
    472,644.12x = 652,304.88 × 268,725.78
  4. Step 4: Simplify right side
    472,644.12x = 175,291,137,675.81
  5. Step 5: Solve for x
    x = 175,291,137,675.81/472,644.12
  6. Step 6: Final answer
    x = 370,873.41

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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.