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Finding the Fourth Proportional to 302,657.28, 453,984.70 and 92,294.61

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Solution

The fourth proportional to 302,657.28, 453,984.70 and 92,294.61 is: 138,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,657.28 : 453,984.70 = 92,294.61 : x
  2. Step 2: Convert to fraction form
    302,657.28/453,984.70 = 92,294.61/x
  3. Step 3: Cross multiply
    302,657.28x = 453,984.70 × 92,294.61
  4. Step 4: Simplify right side
    302,657.28x = 41,900,338,101.07
  5. Step 5: Solve for x
    x = 41,900,338,101.07/302,657.28
  6. Step 6: Final answer
    x = 138,441.54

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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.