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Finding the Fourth Proportional to 367,008.35, 550,512.53 and 260,720.15

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Solution

The fourth proportional to 367,008.35, 550,512.53 and 260,720.15 is: 391,080.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,008.35 : 550,512.53 = 260,720.15 : x
  2. Step 2: Convert to fraction form
    367,008.35/550,512.53 = 260,720.15/x
  3. Step 3: Cross multiply
    367,008.35x = 550,512.53 × 260,720.15
  4. Step 4: Simplify right side
    367,008.35x = 143,529,709,398.48
  5. Step 5: Solve for x
    x = 143,529,709,398.48/367,008.35
  6. Step 6: Final answer
    x = 391,080.23

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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.