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Finding the Fourth Proportional to 467,301.89, 701,020.50 and 147,345.17

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Solution

The fourth proportional to 467,301.89, 701,020.50 and 147,345.17 is: 221,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,301.89 : 701,020.50 = 147,345.17 : x
  2. Step 2: Convert to fraction form
    467,301.89/701,020.50 = 147,345.17/x
  3. Step 3: Cross multiply
    467,301.89x = 701,020.50 × 147,345.17
  4. Step 4: Simplify right side
    467,301.89x = 103,291,981,240.88
  5. Step 5: Solve for x
    x = 103,291,981,240.88/467,301.89
  6. Step 6: Final answer
    x = 221,039.09

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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.