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Finding the Fourth Proportional to 250,389.86, 375,960.03 and 216,759.62

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Solution

The fourth proportional to 250,389.86, 375,960.03 and 216,759.62 is: 325,464.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,389.86 : 375,960.03 = 216,759.62 : x
  2. Step 2: Convert to fraction form
    250,389.86/375,960.03 = 216,759.62/x
  3. Step 3: Cross multiply
    250,389.86x = 375,960.03 × 216,759.62
  4. Step 4: Simplify right side
    250,389.86x = 81,492,951,358.19
  5. Step 5: Solve for x
    x = 81,492,951,358.19/250,389.86
  6. Step 6: Final answer
    x = 325,464.27

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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.