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Finding the Fourth Proportional to 491,329.27, 736,994.27 and 136,343.63

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Solution

The fourth proportional to 491,329.27, 736,994.27 and 136,343.63 is: 204,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,329.27 : 736,994.27 = 136,343.63 : x
  2. Step 2: Convert to fraction form
    491,329.27/736,994.27 = 136,343.63/x
  3. Step 3: Cross multiply
    491,329.27x = 736,994.27 × 136,343.63
  4. Step 4: Simplify right side
    491,329.27x = 100,484,474,061.00
  5. Step 5: Solve for x
    x = 100,484,474,061.00/491,329.27
  6. Step 6: Final answer
    x = 204,515.55

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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.