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Finding the Fourth Proportional to 342,599.59, 513,722.31 and 150,395.35

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Solution

The fourth proportional to 342,599.59, 513,722.31 and 150,395.35 is: 225,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,599.59 : 513,722.31 = 150,395.35 : x
  2. Step 2: Convert to fraction form
    342,599.59/513,722.31 = 150,395.35/x
  3. Step 3: Cross multiply
    342,599.59x = 513,722.31 × 150,395.35
  4. Step 4: Simplify right side
    342,599.59x = 77,261,446,615.26
  5. Step 5: Solve for x
    x = 77,261,446,615.26/342,599.59
  6. Step 6: Final answer
    x = 225,515.29

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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.