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Finding the Fourth Proportional to 674,107.48, 930,262.62 and 372,295

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Solution

The fourth proportional to 674,107.48, 930,262.62 and 372,295 is: 513,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,107.48 : 930,262.62 = 372,295 : x
  2. Step 2: Convert to fraction form
    674,107.48/930,262.62 = 372,295/x
  3. Step 3: Cross multiply
    674,107.48x = 930,262.62 × 372,295
  4. Step 4: Simplify right side
    674,107.48x = 346,332,122,112.90
  5. Step 5: Solve for x
    x = 346,332,122,112.90/674,107.48
  6. Step 6: Final answer
    x = 513,763.95

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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.