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Finding the Fourth Proportional to 437,642.22, 656,574.04 and 122,098.98

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Solution

The fourth proportional to 437,642.22, 656,574.04 and 122,098.98 is: 183,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,642.22 : 656,574.04 = 122,098.98 : x
  2. Step 2: Convert to fraction form
    437,642.22/656,574.04 = 122,098.98/x
  3. Step 3: Cross multiply
    437,642.22x = 656,574.04 × 122,098.98
  4. Step 4: Simplify right side
    437,642.22x = 80,167,020,578.48
  5. Step 5: Solve for x
    x = 80,167,020,578.48/437,642.22
  6. Step 6: Final answer
    x = 183,179.36

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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.