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Finding the Fourth Proportional to 240,340.26, 360,877.32 and 203,384.82

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Solution

The fourth proportional to 240,340.26, 360,877.32 and 203,384.82 is: 305,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,340.26 : 360,877.32 = 203,384.82 : x
  2. Step 2: Convert to fraction form
    240,340.26/360,877.32 = 203,384.82/x
  3. Step 3: Cross multiply
    240,340.26x = 360,877.32 × 203,384.82
  4. Step 4: Simplify right side
    240,340.26x = 73,396,968,770.28
  5. Step 5: Solve for x
    x = 73,396,968,770.28/240,340.26
  6. Step 6: Final answer
    x = 305,387.74

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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.