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Finding the Fourth Proportional to 335,212.61, 502,750.33 and 98,491.73

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Solution

The fourth proportional to 335,212.61, 502,750.33 and 98,491.73 is: 147,717.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,212.61 : 502,750.33 = 98,491.73 : x
  2. Step 2: Convert to fraction form
    335,212.61/502,750.33 = 98,491.73/x
  3. Step 3: Cross multiply
    335,212.61x = 502,750.33 × 98,491.73
  4. Step 4: Simplify right side
    335,212.61x = 49,516,746,999.79
  5. Step 5: Solve for x
    x = 49,516,746,999.79/335,212.61
  6. Step 6: Final answer
    x = 147,717.44

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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.