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Finding the Fourth Proportional to 542,846.91, 749,516.99 and 361,985.25

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Solution

The fourth proportional to 542,846.91, 749,516.99 and 361,985.25 is: 499,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,846.91 : 749,516.99 = 361,985.25 : x
  2. Step 2: Convert to fraction form
    542,846.91/749,516.99 = 361,985.25/x
  3. Step 3: Cross multiply
    542,846.91x = 749,516.99 × 361,985.25
  4. Step 4: Simplify right side
    542,846.91x = 271,314,093,194.47
  5. Step 5: Solve for x
    x = 271,314,093,194.47/542,846.91
  6. Step 6: Final answer
    x = 499,798.54

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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.