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Finding the Fourth Proportional to 477,016.80, 715,549.70 and 122,033.88

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Solution

The fourth proportional to 477,016.80, 715,549.70 and 122,033.88 is: 183,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,016.80 : 715,549.70 = 122,033.88 : x
  2. Step 2: Convert to fraction form
    477,016.80/715,549.70 = 122,033.88/x
  3. Step 3: Cross multiply
    477,016.80x = 715,549.70 × 122,033.88
  4. Step 4: Simplify right side
    477,016.80x = 87,321,306,223.84
  5. Step 5: Solve for x
    x = 87,321,306,223.84/477,016.80
  6. Step 6: Final answer
    x = 183,057.09

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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.