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Finding the Fourth Proportional to 250,374.66, 345,315.96 and 220,095.60

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Solution

The fourth proportional to 250,374.66, 345,315.96 and 220,095.60 is: 303,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,374.66 : 345,315.96 = 220,095.60 : x
  2. Step 2: Convert to fraction form
    250,374.66/345,315.96 = 220,095.60/x
  3. Step 3: Cross multiply
    250,374.66x = 345,315.96 × 220,095.60
  4. Step 4: Simplify right side
    250,374.66x = 76,002,523,405.78
  5. Step 5: Solve for x
    x = 76,002,523,405.78/250,374.66
  6. Step 6: Final answer
    x = 303,555.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.