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Finding the Fourth Proportional to 361,882.80, 542,824.20 and 333,889.20

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Solution

The fourth proportional to 361,882.80, 542,824.20 and 333,889.20 is: 500,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,882.80 : 542,824.20 = 333,889.20 : x
  2. Step 2: Convert to fraction form
    361,882.80/542,824.20 = 333,889.20/x
  3. Step 3: Cross multiply
    361,882.80x = 542,824.20 × 333,889.20
  4. Step 4: Simplify right side
    361,882.80x = 181,243,137,878.64
  5. Step 5: Solve for x
    x = 181,243,137,878.64/361,882.80
  6. Step 6: Final answer
    x = 500,833.80

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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.