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Finding the Fourth Proportional to 502,891.47, 693,991.67 and 273,448.85

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Solution

The fourth proportional to 502,891.47, 693,991.67 and 273,448.85 is: 377,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,891.47 : 693,991.67 = 273,448.85 : x
  2. Step 2: Convert to fraction form
    502,891.47/693,991.67 = 273,448.85/x
  3. Step 3: Cross multiply
    502,891.47x = 693,991.67 × 273,448.85
  4. Step 4: Simplify right side
    502,891.47x = 189,771,219,233.88
  5. Step 5: Solve for x
    x = 189,771,219,233.88/502,891.47
  6. Step 6: Final answer
    x = 377,360.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.