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Finding the Fourth Proportional to 302,657.40, 453,984.89 and 92,294.73

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Solution

The fourth proportional to 302,657.40, 453,984.89 and 92,294.73 is: 138,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,657.40 : 453,984.89 = 92,294.73 : x
  2. Step 2: Convert to fraction form
    302,657.40/453,984.89 = 92,294.73/x
  3. Step 3: Cross multiply
    302,657.40x = 453,984.89 × 92,294.73
  4. Step 4: Simplify right side
    302,657.40x = 41,900,412,385.16
  5. Step 5: Solve for x
    x = 41,900,412,385.16/302,657.40
  6. Step 6: Final answer
    x = 138,441.72

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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.