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Finding the Fourth Proportional to 417,906.60, 626,581.34 and 151,632.52

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Solution

The fourth proportional to 417,906.60, 626,581.34 and 151,632.52 is: 227,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,906.60 : 626,581.34 = 151,632.52 : x
  2. Step 2: Convert to fraction form
    417,906.60/626,581.34 = 151,632.52/x
  3. Step 3: Cross multiply
    417,906.60x = 626,581.34 × 151,632.52
  4. Step 4: Simplify right side
    417,906.60x = 95,010,107,569.18
  5. Step 5: Solve for x
    x = 95,010,107,569.18/417,906.60
  6. Step 6: Final answer
    x = 227,347.71

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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.