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Finding the Fourth Proportional to 363,345.75, 500,988.24 and 248,679.72

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Solution

The fourth proportional to 363,345.75, 500,988.24 and 248,679.72 is: 342,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,345.75 : 500,988.24 = 248,679.72 : x
  2. Step 2: Convert to fraction form
    363,345.75/500,988.24 = 248,679.72/x
  3. Step 3: Cross multiply
    363,345.75x = 500,988.24 × 248,679.72
  4. Step 4: Simplify right side
    363,345.75x = 124,585,615,246.49
  5. Step 5: Solve for x
    x = 124,585,615,246.49/363,345.75
  6. Step 6: Final answer
    x = 342,884.47

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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.