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Finding the Fourth Proportional to 250,870.80, 376,306.20 and 223,314.60

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Solution

The fourth proportional to 250,870.80, 376,306.20 and 223,314.60 is: 334,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,870.80 : 376,306.20 = 223,314.60 : x
  2. Step 2: Convert to fraction form
    250,870.80/376,306.20 = 223,314.60/x
  3. Step 3: Cross multiply
    250,870.80x = 376,306.20 × 223,314.60
  4. Step 4: Simplify right side
    250,870.80x = 84,034,668,530.52
  5. Step 5: Solve for x
    x = 84,034,668,530.52/250,870.80
  6. Step 6: Final answer
    x = 334,971.90

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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.