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Finding the Fourth Proportional to 550,391.04, 825,531.12 and 151,072.02

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Solution

The fourth proportional to 550,391.04, 825,531.12 and 151,072.02 is: 226,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,391.04 : 825,531.12 = 151,072.02 : x
  2. Step 2: Convert to fraction form
    550,391.04/825,531.12 = 151,072.02/x
  3. Step 3: Cross multiply
    550,391.04x = 825,531.12 × 151,072.02
  4. Step 4: Simplify right side
    550,391.04x = 124,714,653,871.26
  5. Step 5: Solve for x
    x = 124,714,653,871.26/550,391.04
  6. Step 6: Final answer
    x = 226,592.81

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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.