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Finding the Fourth Proportional to 454,373.94, 681,560.80 and 121,949.94

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Solution

The fourth proportional to 454,373.94, 681,560.80 and 121,949.94 is: 182,924.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,373.94 : 681,560.80 = 121,949.94 : x
  2. Step 2: Convert to fraction form
    454,373.94/681,560.80 = 121,949.94/x
  3. Step 3: Cross multiply
    454,373.94x = 681,560.80 × 121,949.94
  4. Step 4: Simplify right side
    454,373.94x = 83,116,298,666.35
  5. Step 5: Solve for x
    x = 83,116,298,666.35/454,373.94
  6. Step 6: Final answer
    x = 182,924.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.