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Finding the Fourth Proportional to 1,747,948.55, 2,412,398.93 and 984,150.95

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Solution

The fourth proportional to 1,747,948.55, 2,412,398.93 and 984,150.95 is: 1,358,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,948.55 : 2,412,398.93 = 984,150.95 : x
  2. Step 2: Convert to fraction form
    1,747,948.55/2,412,398.93 = 984,150.95/x
  3. Step 3: Cross multiply
    1,747,948.55x = 2,412,398.93 × 984,150.95
  4. Step 4: Simplify right side
    1,747,948.55x = 2,374,164,681,755.73
  5. Step 5: Solve for x
    x = 2,374,164,681,755.73/1,747,948.55
  6. Step 6: Final answer
    x = 1,358,257.76

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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.