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Finding the Fourth Proportional to 451,585.01, 675,965.85 and 291,446.88

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Solution

The fourth proportional to 451,585.01, 675,965.85 and 291,446.88 is: 436,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,585.01 : 675,965.85 = 291,446.88 : x
  2. Step 2: Convert to fraction form
    451,585.01/675,965.85 = 291,446.88/x
  3. Step 3: Cross multiply
    451,585.01x = 675,965.85 × 291,446.88
  4. Step 4: Simplify right side
    451,585.01x = 197,008,137,969.05
  5. Step 5: Solve for x
    x = 197,008,137,969.05/451,585.01
  6. Step 6: Final answer
    x = 436,259.26

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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.