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Finding the Fourth Proportional to 550,342.26, 825,515.82 and 150,987.60

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Solution

The fourth proportional to 550,342.26, 825,515.82 and 150,987.60 is: 226,482.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,342.26 : 825,515.82 = 150,987.60 : x
  2. Step 2: Convert to fraction form
    550,342.26/825,515.82 = 150,987.60/x
  3. Step 3: Cross multiply
    550,342.26x = 825,515.82 × 150,987.60
  4. Step 4: Simplify right side
    550,342.26x = 124,642,652,423.83
  5. Step 5: Solve for x
    x = 124,642,652,423.83/550,342.26
  6. Step 6: Final answer
    x = 226,482.07

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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.