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Finding the Fourth Proportional to 465,177.96, 642,015 and 283,994.92

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Solution

The fourth proportional to 465,177.96, 642,015 and 283,994.92 is: 391,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,177.96 : 642,015 = 283,994.92 : x
  2. Step 2: Convert to fraction form
    465,177.96/642,015 = 283,994.92/x
  3. Step 3: Cross multiply
    465,177.96x = 642,015 × 283,994.92
  4. Step 4: Simplify right side
    465,177.96x = 182,328,995,353.73
  5. Step 5: Solve for x
    x = 182,328,995,353.73/465,177.96
  6. Step 6: Final answer
    x = 391,955.36

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1.5x scale

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.