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Finding the Fourth Proportional to 363,264.18, 501,320.79 and 302,733.42

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Solution

The fourth proportional to 363,264.18, 501,320.79 and 302,733.42 is: 417,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,264.18 : 501,320.79 = 302,733.42 : x
  2. Step 2: Convert to fraction form
    363,264.18/501,320.79 = 302,733.42/x
  3. Step 3: Cross multiply
    363,264.18x = 501,320.79 × 302,733.42
  4. Step 4: Simplify right side
    363,264.18x = 151,766,557,273.80
  5. Step 5: Solve for x
    x = 151,766,557,273.80/363,264.18
  6. Step 6: Final answer
    x = 417,785.64

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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.