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Finding the Fourth Proportional to 392,566.80, 588,850.20 and 366,322.80

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Solution

The fourth proportional to 392,566.80, 588,850.20 and 366,322.80 is: 549,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,566.80 : 588,850.20 = 366,322.80 : x
  2. Step 2: Convert to fraction form
    392,566.80/588,850.20 = 366,322.80/x
  3. Step 3: Cross multiply
    392,566.80x = 588,850.20 × 366,322.80
  4. Step 4: Simplify right side
    392,566.80x = 215,709,254,044.56
  5. Step 5: Solve for x
    x = 215,709,254,044.56/392,566.80
  6. Step 6: Final answer
    x = 549,484.20

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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.