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Finding the Fourth Proportional to 240,019.40, 360,029.10 and 213,062.60

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Solution

The fourth proportional to 240,019.40, 360,029.10 and 213,062.60 is: 319,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,019.40 : 360,029.10 = 213,062.60 : x
  2. Step 2: Convert to fraction form
    240,019.40/360,029.10 = 213,062.60/x
  3. Step 3: Cross multiply
    240,019.40x = 360,029.10 × 213,062.60
  4. Step 4: Simplify right side
    240,019.40x = 76,708,736,121.66
  5. Step 5: Solve for x
    x = 76,708,736,121.66/240,019.40
  6. Step 6: Final answer
    x = 319,593.90

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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.