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Finding the Fourth Proportional to 353,616.81, 487,652.00 and 237,592.66

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Solution

The fourth proportional to 353,616.81, 487,652.00 and 237,592.66 is: 327,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,616.81 : 487,652.00 = 237,592.66 : x
  2. Step 2: Convert to fraction form
    353,616.81/487,652.00 = 237,592.66/x
  3. Step 3: Cross multiply
    353,616.81x = 487,652.00 × 237,592.66
  4. Step 4: Simplify right side
    353,616.81x = 115,862,534,341.57
  5. Step 5: Solve for x
    x = 115,862,534,341.57/353,616.81
  6. Step 6: Final answer
    x = 327,649.97

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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.