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Finding the Fourth Proportional to 372,523.02, 514,092.90 and 229,365.66

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Solution

The fourth proportional to 372,523.02, 514,092.90 and 229,365.66 is: 316,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,523.02 : 514,092.90 = 229,365.66 : x
  2. Step 2: Convert to fraction form
    372,523.02/514,092.90 = 229,365.66/x
  3. Step 3: Cross multiply
    372,523.02x = 514,092.90 × 229,365.66
  4. Step 4: Simplify right side
    372,523.02x = 117,915,257,309.81
  5. Step 5: Solve for x
    x = 117,915,257,309.81/372,523.02
  6. Step 6: Final answer
    x = 316,531.47

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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.