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Finding the Fourth Proportional to 363,703.77, 502,119.41 and 243,049.41

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Solution

The fourth proportional to 363,703.77, 502,119.41 and 243,049.41 is: 335,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,703.77 : 502,119.41 = 243,049.41 : x
  2. Step 2: Convert to fraction form
    363,703.77/502,119.41 = 243,049.41/x
  3. Step 3: Cross multiply
    363,703.77x = 502,119.41 × 243,049.41
  4. Step 4: Simplify right side
    363,703.77x = 122,039,825,134.80
  5. Step 5: Solve for x
    x = 122,039,825,134.80/363,703.77
  6. Step 6: Final answer
    x = 335,547.32

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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.