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Finding the Fourth Proportional to 577,449.34, 866,321.64 and 240,377.92

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Solution

The fourth proportional to 577,449.34, 866,321.64 and 240,377.92 is: 360,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,449.34 : 866,321.64 = 240,377.92 : x
  2. Step 2: Convert to fraction form
    577,449.34/866,321.64 = 240,377.92/x
  3. Step 3: Cross multiply
    577,449.34x = 866,321.64 × 240,377.92
  4. Step 4: Simplify right side
    577,449.34x = 208,244,593,874.19
  5. Step 5: Solve for x
    x = 208,244,593,874.19/577,449.34
  6. Step 6: Final answer
    x = 360,628.33

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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.