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Finding the Fourth Proportional to 325,412.80, 487,278.11 and 224,521.94

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Solution

The fourth proportional to 325,412.80, 487,278.11 and 224,521.94 is: 336,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,412.80 : 487,278.11 = 224,521.94 : x
  2. Step 2: Convert to fraction form
    325,412.80/487,278.11 = 224,521.94/x
  3. Step 3: Cross multiply
    325,412.80x = 487,278.11 × 224,521.94
  4. Step 4: Simplify right side
    325,412.80x = 109,404,624,701.65
  5. Step 5: Solve for x
    x = 109,404,624,701.65/325,412.80
  6. Step 6: Final answer
    x = 336,202.59

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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.