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Finding the Fourth Proportional to 577,756.65, 866,937.20 and 236,453.43

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Solution

The fourth proportional to 577,756.65, 866,937.20 and 236,453.43 is: 354,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,756.65 : 866,937.20 = 236,453.43 : x
  2. Step 2: Convert to fraction form
    577,756.65/866,937.20 = 236,453.43/x
  3. Step 3: Cross multiply
    577,756.65x = 866,937.20 × 236,453.43
  4. Step 4: Simplify right side
    577,756.65x = 204,990,273,721.90
  5. Step 5: Solve for x
    x = 204,990,273,721.90/577,756.65
  6. Step 6: Final answer
    x = 354,803.83

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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.