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Finding the Fourth Proportional to 491,725.53, 737,719.55 and 176,214.33

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Solution

The fourth proportional to 491,725.53, 737,719.55 and 176,214.33 is: 264,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,725.53 : 737,719.55 = 176,214.33 : x
  2. Step 2: Convert to fraction form
    491,725.53/737,719.55 = 176,214.33/x
  3. Step 3: Cross multiply
    491,725.53x = 737,719.55 × 176,214.33
  4. Step 4: Simplify right side
    491,725.53x = 129,996,756,010.88
  5. Step 5: Solve for x
    x = 129,996,756,010.88/491,725.53
  6. Step 6: Final answer
    x = 264,368.53

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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.