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Finding the Fourth Proportional to 542,936.62, 749,218.71 and 327,949.66

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Solution

The fourth proportional to 542,936.62, 749,218.71 and 327,949.66 is: 452,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,936.62 : 749,218.71 = 327,949.66 : x
  2. Step 2: Convert to fraction form
    542,936.62/749,218.71 = 327,949.66/x
  3. Step 3: Cross multiply
    542,936.62x = 749,218.71 × 327,949.66
  4. Step 4: Simplify right side
    542,936.62x = 245,706,021,210.14
  5. Step 5: Solve for x
    x = 245,706,021,210.14/542,936.62
  6. Step 6: Final answer
    x = 452,550.10

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1.5x scale

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.