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Finding the Fourth Proportional to 353,471.27, 527,805.54 and 343,894.03

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Solution

The fourth proportional to 353,471.27, 527,805.54 and 343,894.03 is: 513,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,471.27 : 527,805.54 = 343,894.03 : x
  2. Step 2: Convert to fraction form
    353,471.27/527,805.54 = 343,894.03/x
  3. Step 3: Cross multiply
    353,471.27x = 527,805.54 × 343,894.03
  4. Step 4: Simplify right side
    353,471.27x = 181,509,172,887.41
  5. Step 5: Solve for x
    x = 181,509,172,887.41/353,471.27
  6. Step 6: Final answer
    x = 513,504.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.