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Finding the Fourth Proportional to 674,644, 930,996.24 and 372,831.52

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Solution

The fourth proportional to 674,644, 930,996.24 and 372,831.52 is: 514,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,644 : 930,996.24 = 372,831.52 : x
  2. Step 2: Convert to fraction form
    674,644/930,996.24 = 372,831.52/x
  3. Step 3: Cross multiply
    674,644x = 930,996.24 × 372,831.52
  4. Step 4: Simplify right side
    674,644x = 347,104,743,273.49
  5. Step 5: Solve for x
    x = 347,104,743,273.49/674,644
  6. Step 6: Final answer
    x = 514,500.60

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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.