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Finding the Fourth Proportional to 477,017.78, 715,551.18 and 122,034.88

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Solution

The fourth proportional to 477,017.78, 715,551.18 and 122,034.88 is: 183,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,017.78 : 715,551.18 = 122,034.88 : x
  2. Step 2: Convert to fraction form
    477,017.78/715,551.18 = 122,034.88/x
  3. Step 3: Cross multiply
    477,017.78x = 715,551.18 × 122,034.88
  4. Step 4: Simplify right side
    477,017.78x = 87,322,202,385.16
  5. Step 5: Solve for x
    x = 87,322,202,385.16/477,017.78
  6. Step 6: Final answer
    x = 183,058.59

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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.