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Finding the Fourth Proportional to 342,744.88, 513,231.72 and 236,456.68

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Solution

The fourth proportional to 342,744.88, 513,231.72 and 236,456.68 is: 354,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,744.88 : 513,231.72 = 236,456.68 : x
  2. Step 2: Convert to fraction form
    342,744.88/513,231.72 = 236,456.68/x
  3. Step 3: Cross multiply
    342,744.88x = 513,231.72 × 236,456.68
  4. Step 4: Simplify right side
    342,744.88x = 121,357,068,581.89
  5. Step 5: Solve for x
    x = 121,357,068,581.89/342,744.88
  6. Step 6: Final answer
    x = 354,074.05

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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.