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Finding the Fourth Proportional to 363,502.47, 501,680.52 and 208,514.19

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Solution

The fourth proportional to 363,502.47, 501,680.52 and 208,514.19 is: 287,776.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,502.47 : 501,680.52 = 208,514.19 : x
  2. Step 2: Convert to fraction form
    363,502.47/501,680.52 = 208,514.19/x
  3. Step 3: Cross multiply
    363,502.47x = 501,680.52 × 208,514.19
  4. Step 4: Simplify right side
    363,502.47x = 104,607,507,266.58
  5. Step 5: Solve for x
    x = 104,607,507,266.58/363,502.47
  6. Step 6: Final answer
    x = 287,776.61

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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.