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Finding the Fourth Proportional to 650,585.25, 897,901.94 and 374,889.47

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Solution

The fourth proportional to 650,585.25, 897,901.94 and 374,889.47 is: 517,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,585.25 : 897,901.94 = 374,889.47 : x
  2. Step 2: Convert to fraction form
    650,585.25/897,901.94 = 374,889.47/x
  3. Step 3: Cross multiply
    650,585.25x = 897,901.94 × 374,889.47
  4. Step 4: Simplify right side
    650,585.25x = 336,613,976,034.62
  5. Step 5: Solve for x
    x = 336,613,976,034.62/650,585.25
  6. Step 6: Final answer
    x = 517,401.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.