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Finding the Fourth Proportional to 477,229.80, 715,828.28 and 122,246.88

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Solution

The fourth proportional to 477,229.80, 715,828.28 and 122,246.88 is: 183,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,229.80 : 715,828.28 = 122,246.88 : x
  2. Step 2: Convert to fraction form
    477,229.80/715,828.28 = 122,246.88/x
  3. Step 3: Cross multiply
    477,229.80x = 715,828.28 × 122,246.88
  4. Step 4: Simplify right side
    477,229.80x = 87,507,773,845.77
  5. Step 5: Solve for x
    x = 87,507,773,845.77/477,229.80
  6. Step 6: Final answer
    x = 183,366.11

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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.