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Finding the Fourth Proportional to 372,818.08, 514,524.72 and 229,661.92

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Solution

The fourth proportional to 372,818.08, 514,524.72 and 229,661.92 is: 316,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,818.08 : 514,524.72 = 229,661.92 : x
  2. Step 2: Convert to fraction form
    372,818.08/514,524.72 = 229,661.92/x
  3. Step 3: Cross multiply
    372,818.08x = 514,524.72 × 229,661.92
  4. Step 4: Simplify right side
    372,818.08x = 118,166,735,082.66
  5. Step 5: Solve for x
    x = 118,166,735,082.66/372,818.08
  6. Step 6: Final answer
    x = 316,955.48

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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.