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Finding the Fourth Proportional to 283,800.62, 391,644.38 and 156,476.58

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Solution

The fourth proportional to 283,800.62, 391,644.38 and 156,476.58 is: 215,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,800.62 : 391,644.38 = 156,476.58 : x
  2. Step 2: Convert to fraction form
    283,800.62/391,644.38 = 156,476.58/x
  3. Step 3: Cross multiply
    283,800.62x = 391,644.38 × 156,476.58
  4. Step 4: Simplify right side
    283,800.62x = 61,283,173,158.62
  5. Step 5: Solve for x
    x = 61,283,173,158.62/283,800.62
  6. Step 6: Final answer
    x = 215,937.42

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1.5x scale

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.