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Finding the Fourth Proportional to 283,602.78, 391,354.23 and 162,754.02

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Solution

The fourth proportional to 283,602.78, 391,354.23 and 162,754.02 is: 224,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,602.78 : 391,354.23 = 162,754.02 : x
  2. Step 2: Convert to fraction form
    283,602.78/391,354.23 = 162,754.02/x
  3. Step 3: Cross multiply
    283,602.78x = 391,354.23 × 162,754.02
  4. Step 4: Simplify right side
    283,602.78x = 63,694,474,176.50
  5. Step 5: Solve for x
    x = 63,694,474,176.50/283,602.78
  6. Step 6: Final answer
    x = 224,590.44

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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.