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Finding the Fourth Proportional to 356,449.41, 534,757.95 and 103,735.35

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Solution

The fourth proportional to 356,449.41, 534,757.95 and 103,735.35 is: 155,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,449.41 : 534,757.95 = 103,735.35 : x
  2. Step 2: Convert to fraction form
    356,449.41/534,757.95 = 103,735.35/x
  3. Step 3: Cross multiply
    356,449.41x = 534,757.95 × 103,735.35
  4. Step 4: Simplify right side
    356,449.41x = 55,473,303,108.53
  5. Step 5: Solve for x
    x = 55,473,303,108.53/356,449.41
  6. Step 6: Final answer
    x = 155,627.42

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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.