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Finding the Fourth Proportional to 437,080.64, 655,932 and 337,340.48

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Solution

The fourth proportional to 437,080.64, 655,932 and 337,340.48 is: 506,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,080.64 : 655,932 = 337,340.48 : x
  2. Step 2: Convert to fraction form
    437,080.64/655,932 = 337,340.48/x
  3. Step 3: Cross multiply
    437,080.64x = 655,932 × 337,340.48
  4. Step 4: Simplify right side
    437,080.64x = 221,272,415,727.36
  5. Step 5: Solve for x
    x = 221,272,415,727.36/437,080.64
  6. Step 6: Final answer
    x = 506,250.78

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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.