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Finding the Fourth Proportional to 372,531.02, 514,103.94 and 229,373.66

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Solution

The fourth proportional to 372,531.02, 514,103.94 and 229,373.66 is: 316,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,531.02 : 514,103.94 = 229,373.66 : x
  2. Step 2: Convert to fraction form
    372,531.02/514,103.94 = 229,373.66/x
  3. Step 3: Cross multiply
    372,531.02x = 514,103.94 × 229,373.66
  4. Step 4: Simplify right side
    372,531.02x = 117,921,902,338.22
  5. Step 5: Solve for x
    x = 117,921,902,338.22/372,531.02
  6. Step 6: Final answer
    x = 316,542.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.