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Finding the Fourth Proportional to 542,002.20, 811,448.10 and 332,050.20

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Solution

The fourth proportional to 542,002.20, 811,448.10 and 332,050.20 is: 497,122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,002.20 : 811,448.10 = 332,050.20 : x
  2. Step 2: Convert to fraction form
    542,002.20/811,448.10 = 332,050.20/x
  3. Step 3: Cross multiply
    542,002.20x = 811,448.10 × 332,050.20
  4. Step 4: Simplify right side
    542,002.20x = 269,441,503,894.62
  5. Step 5: Solve for x
    x = 269,441,503,894.62/542,002.20
  6. Step 6: Final answer
    x = 497,122.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.