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Finding the Fourth Proportional to 340,248.88, 510,449.66 and 103,610.20

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Solution

The fourth proportional to 340,248.88, 510,449.66 and 103,610.20 is: 155,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,248.88 : 510,449.66 = 103,610.20 : x
  2. Step 2: Convert to fraction form
    340,248.88/510,449.66 = 103,610.20/x
  3. Step 3: Cross multiply
    340,248.88x = 510,449.66 × 103,610.20
  4. Step 4: Simplify right side
    340,248.88x = 52,887,791,362.53
  5. Step 5: Solve for x
    x = 52,887,791,362.53/340,248.88
  6. Step 6: Final answer
    x = 155,438.55

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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.