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Finding the Fourth Proportional to 363,680.16, 502,529.52 and 283,315.20

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Solution

The fourth proportional to 363,680.16, 502,529.52 and 283,315.20 is: 391,482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,680.16 : 502,529.52 = 283,315.20 : x
  2. Step 2: Convert to fraction form
    363,680.16/502,529.52 = 283,315.20/x
  3. Step 3: Cross multiply
    363,680.16x = 502,529.52 × 283,315.20
  4. Step 4: Simplify right side
    363,680.16x = 142,374,251,464.70
  5. Step 5: Solve for x
    x = 142,374,251,464.70/363,680.16
  6. Step 6: Final answer
    x = 391,482.04

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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.