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Finding the Fourth Proportional to 542,636.04, 749,208.84 and 338,997.24

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Solution

The fourth proportional to 542,636.04, 749,208.84 and 338,997.24 is: 468,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,636.04 : 749,208.84 = 338,997.24 : x
  2. Step 2: Convert to fraction form
    542,636.04/749,208.84 = 338,997.24/x
  3. Step 3: Cross multiply
    542,636.04x = 749,208.84 × 338,997.24
  4. Step 4: Simplify right side
    542,636.04x = 253,979,728,943.60
  5. Step 5: Solve for x
    x = 253,979,728,943.60/542,636.04
  6. Step 6: Final answer
    x = 468,048.03

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Similar ratio
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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.