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Finding the Fourth Proportional to 469,337.22, 702,986.31 and 288,872.58

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Solution

The fourth proportional to 469,337.22, 702,986.31 and 288,872.58 is: 432,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,337.22 : 702,986.31 = 288,872.58 : x
  2. Step 2: Convert to fraction form
    469,337.22/702,986.31 = 288,872.58/x
  3. Step 3: Cross multiply
    469,337.22x = 702,986.31 × 288,872.58
  4. Step 4: Simplify right side
    469,337.22x = 203,073,469,074.38
  5. Step 5: Solve for x
    x = 203,073,469,074.38/469,337.22
  6. Step 6: Final answer
    x = 432,681.37

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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.