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Finding the Fourth Proportional to 363,624.90, 501,817.14 and 202,469.73

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Solution

The fourth proportional to 363,624.90, 501,817.14 and 202,469.73 is: 279,416.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,624.90 : 501,817.14 = 202,469.73 : x
  2. Step 2: Convert to fraction form
    363,624.90/501,817.14 = 202,469.73/x
  3. Step 3: Cross multiply
    363,624.90x = 501,817.14 × 202,469.73
  4. Step 4: Simplify right side
    363,624.90x = 101,602,780,845.17
  5. Step 5: Solve for x
    x = 101,602,780,845.17/363,624.90
  6. Step 6: Final answer
    x = 279,416.46

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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.