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Finding the Fourth Proportional to 340,404.06, 510,625.28 and 103,754.46

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Solution

The fourth proportional to 340,404.06, 510,625.28 and 103,754.46 is: 155,637.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,404.06 : 510,625.28 = 103,754.46 : x
  2. Step 2: Convert to fraction form
    340,404.06/510,625.28 = 103,754.46/x
  3. Step 3: Cross multiply
    340,404.06x = 510,625.28 × 103,754.46
  4. Step 4: Simplify right side
    340,404.06x = 52,979,650,188.75
  5. Step 5: Solve for x
    x = 52,979,650,188.75/340,404.06
  6. Step 6: Final answer
    x = 155,637.54

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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.