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Finding the Fourth Proportional to 436,956.73, 655,592.94 and 152,689.25

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Solution

The fourth proportional to 436,956.73, 655,592.94 and 152,689.25 is: 229,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,956.73 : 655,592.94 = 152,689.25 : x
  2. Step 2: Convert to fraction form
    436,956.73/655,592.94 = 152,689.25/x
  3. Step 3: Cross multiply
    436,956.73x = 655,592.94 × 152,689.25
  4. Step 4: Simplify right side
    436,956.73x = 100,101,995,952.88
  5. Step 5: Solve for x
    x = 100,101,995,952.88/436,956.73
  6. Step 6: Final answer
    x = 229,089.04

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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.