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Finding the Fourth Proportional to 372,709.35, 514,207.76 and 243,723.33

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Solution

The fourth proportional to 372,709.35, 514,207.76 and 243,723.33 is: 336,252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,709.35 : 514,207.76 = 243,723.33 : x
  2. Step 2: Convert to fraction form
    372,709.35/514,207.76 = 243,723.33/x
  3. Step 3: Cross multiply
    372,709.35x = 514,207.76 × 243,723.33
  4. Step 4: Simplify right side
    372,709.35x = 125,324,426,360.42
  5. Step 5: Solve for x
    x = 125,324,426,360.42/372,709.35
  6. Step 6: Final answer
    x = 336,252.43

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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.