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Finding the Fourth Proportional to 251,034.80, 376,552.20 and 223,478.60

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Solution

The fourth proportional to 251,034.80, 376,552.20 and 223,478.60 is: 335,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,034.80 : 376,552.20 = 223,478.60 : x
  2. Step 2: Convert to fraction form
    251,034.80/376,552.20 = 223,478.60/x
  3. Step 3: Cross multiply
    251,034.80x = 376,552.20 × 223,478.60
  4. Step 4: Simplify right side
    251,034.80x = 84,151,358,482.92
  5. Step 5: Solve for x
    x = 84,151,358,482.92/251,034.80
  6. Step 6: Final answer
    x = 335,217.90

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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.