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Finding the Fourth Proportional to 436,572.87, 653,642.42 and 222,881.10

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Solution

The fourth proportional to 436,572.87, 653,642.42 and 222,881.10 is: 333,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,572.87 : 653,642.42 = 222,881.10 : x
  2. Step 2: Convert to fraction form
    436,572.87/653,642.42 = 222,881.10/x
  3. Step 3: Cross multiply
    436,572.87x = 653,642.42 × 222,881.10
  4. Step 4: Simplify right side
    436,572.87x = 145,684,540,461.86
  5. Step 5: Solve for x
    x = 145,684,540,461.86/436,572.87
  6. Step 6: Final answer
    x = 333,700.40

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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.