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Finding the Fourth Proportional to 502,073.67, 753,110.50 and 147,087.69

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Solution

The fourth proportional to 502,073.67, 753,110.50 and 147,087.69 is: 220,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,073.67 : 753,110.50 = 147,087.69 : x
  2. Step 2: Convert to fraction form
    502,073.67/753,110.50 = 147,087.69/x
  3. Step 3: Cross multiply
    502,073.67x = 753,110.50 × 147,087.69
  4. Step 4: Simplify right side
    502,073.67x = 110,773,283,759.75
  5. Step 5: Solve for x
    x = 110,773,283,759.75/502,073.67
  6. Step 6: Final answer
    x = 220,631.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.