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Finding the Fourth Proportional to 674,047.11, 930,190.46 and 372,241.11

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Solution

The fourth proportional to 674,047.11, 930,190.46 and 372,241.11 is: 513,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,047.11 : 930,190.46 = 372,241.11 : x
  2. Step 2: Convert to fraction form
    674,047.11/930,190.46 = 372,241.11/x
  3. Step 3: Cross multiply
    674,047.11x = 930,190.46 × 372,241.11
  4. Step 4: Simplify right side
    674,047.11x = 346,255,127,480.61
  5. Step 5: Solve for x
    x = 346,255,127,480.61/674,047.11
  6. Step 6: Final answer
    x = 513,695.74

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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.