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Finding the Fourth Proportional to 552,745.30, 829,118.37 and 153,386.46

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Solution

The fourth proportional to 552,745.30, 829,118.37 and 153,386.46 is: 230,079.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,745.30 : 829,118.37 = 153,386.46 : x
  2. Step 2: Convert to fraction form
    552,745.30/829,118.37 = 153,386.46/x
  3. Step 3: Cross multiply
    552,745.30x = 829,118.37 × 153,386.46
  4. Step 4: Simplify right side
    552,745.30x = 127,175,531,695.27
  5. Step 5: Solve for x
    x = 127,175,531,695.27/552,745.30
  6. Step 6: Final answer
    x = 230,079.81

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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.