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Finding the Fourth Proportional to 578,042.42, 866,467.67 and 241,279.07

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Solution

The fourth proportional to 578,042.42, 866,467.67 and 241,279.07 is: 361,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,042.42 : 866,467.67 = 241,279.07 : x
  2. Step 2: Convert to fraction form
    578,042.42/866,467.67 = 241,279.07/x
  3. Step 3: Cross multiply
    578,042.42x = 866,467.67 × 241,279.07
  4. Step 4: Simplify right side
    578,042.42x = 209,060,508,063.93
  5. Step 5: Solve for x
    x = 209,060,508,063.93/578,042.42
  6. Step 6: Final answer
    x = 361,669.84

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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.