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Finding the Fourth Proportional to 491,725.85, 737,720.03 and 176,214.65

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Solution

The fourth proportional to 491,725.85, 737,720.03 and 176,214.65 is: 264,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,725.85 : 737,720.03 = 176,214.65 : x
  2. Step 2: Convert to fraction form
    491,725.85/737,720.03 = 176,214.65/x
  3. Step 3: Cross multiply
    491,725.85x = 737,720.03 × 176,214.65
  4. Step 4: Simplify right side
    491,725.85x = 129,997,073,636.38
  5. Step 5: Solve for x
    x = 129,997,073,636.38/491,725.85
  6. Step 6: Final answer
    x = 264,369.01

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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.