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Finding the Fourth Proportional to 295,244.20, 442,866.30 and 268,517.80

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Solution

The fourth proportional to 295,244.20, 442,866.30 and 268,517.80 is: 402,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,244.20 : 442,866.30 = 268,517.80 : x
  2. Step 2: Convert to fraction form
    295,244.20/442,866.30 = 268,517.80/x
  3. Step 3: Cross multiply
    295,244.20x = 442,866.30 × 268,517.80
  4. Step 4: Simplify right side
    295,244.20x = 118,917,484,570.14
  5. Step 5: Solve for x
    x = 118,917,484,570.14/295,244.20
  6. Step 6: Final answer
    x = 402,776.70

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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.