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Finding the Fourth Proportional to 404,502.48, 606,731.04 and 124,018.92

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Solution

The fourth proportional to 404,502.48, 606,731.04 and 124,018.92 is: 186,021.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,502.48 : 606,731.04 = 124,018.92 : x
  2. Step 2: Convert to fraction form
    404,502.48/606,731.04 = 124,018.92/x
  3. Step 3: Cross multiply
    404,502.48x = 606,731.04 × 124,018.92
  4. Step 4: Simplify right side
    404,502.48x = 75,246,128,311.28
  5. Step 5: Solve for x
    x = 75,246,128,311.28/404,502.48
  6. Step 6: Final answer
    x = 186,021.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.