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Finding the Fourth Proportional to 454,610.84, 681,916.17 and 122,186.84

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Solution

The fourth proportional to 454,610.84, 681,916.17 and 122,186.84 is: 183,280.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,610.84 : 681,916.17 = 122,186.84 : x
  2. Step 2: Convert to fraction form
    454,610.84/681,916.17 = 122,186.84/x
  3. Step 3: Cross multiply
    454,610.84x = 681,916.17 × 122,186.84
  4. Step 4: Simplify right side
    454,610.84x = 83,321,181,957.20
  5. Step 5: Solve for x
    x = 83,321,181,957.20/454,610.84
  6. Step 6: Final answer
    x = 183,280.24

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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.