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Finding the Fourth Proportional to 340,349.88, 510,600.96 and 103,711.08

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Solution

The fourth proportional to 340,349.88, 510,600.96 and 103,711.08 is: 155,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,349.88 : 510,600.96 = 103,711.08 : x
  2. Step 2: Convert to fraction form
    340,349.88/510,600.96 = 103,711.08/x
  3. Step 3: Cross multiply
    340,349.88x = 510,600.96 × 103,711.08
  4. Step 4: Simplify right side
    340,349.88x = 52,954,977,010.64
  5. Step 5: Solve for x
    x = 52,954,977,010.64/340,349.88
  6. Step 6: Final answer
    x = 155,589.82

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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.