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Finding the Fourth Proportional to 542,005.69, 748,092.09 and 360,725.26

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Solution

The fourth proportional to 542,005.69, 748,092.09 and 360,725.26 is: 497,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,005.69 : 748,092.09 = 360,725.26 : x
  2. Step 2: Convert to fraction form
    542,005.69/748,092.09 = 360,725.26/x
  3. Step 3: Cross multiply
    542,005.69x = 748,092.09 × 360,725.26
  4. Step 4: Simplify right side
    542,005.69x = 269,855,713,669.19
  5. Step 5: Solve for x
    x = 269,855,713,669.19/542,005.69
  6. Step 6: Final answer
    x = 497,883.54

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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.