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Finding the Fourth Proportional to 542,205.14, 748,243.09 and 300,524.04

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Solution

The fourth proportional to 542,205.14, 748,243.09 and 300,524.04 is: 414,723.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,205.14 : 748,243.09 = 300,524.04 : x
  2. Step 2: Convert to fraction form
    542,205.14/748,243.09 = 300,524.04/x
  3. Step 3: Cross multiply
    542,205.14x = 748,243.09 × 300,524.04
  4. Step 4: Simplify right side
    542,205.14x = 224,865,039,108.08
  5. Step 5: Solve for x
    x = 224,865,039,108.08/542,205.14
  6. Step 6: Final answer
    x = 414,723.18

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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.