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Finding the Fourth Proportional to 250,376.78, 375,565.44 and 63,388.28

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Solution

The fourth proportional to 250,376.78, 375,565.44 and 63,388.28 is: 95,082.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,376.78 : 375,565.44 = 63,388.28 : x
  2. Step 2: Convert to fraction form
    250,376.78/375,565.44 = 63,388.28/x
  3. Step 3: Cross multiply
    250,376.78x = 375,565.44 × 63,388.28
  4. Step 4: Simplify right side
    250,376.78x = 23,806,447,269.04
  5. Step 5: Solve for x
    x = 23,806,447,269.04/250,376.78
  6. Step 6: Final answer
    x = 95,082.49

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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.