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Finding the Fourth Proportional to 382,747.80, 572,760.90 and 333,370.20

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Solution

The fourth proportional to 382,747.80, 572,760.90 and 333,370.20 is: 498,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,747.80 : 572,760.90 = 333,370.20 : x
  2. Step 2: Convert to fraction form
    382,747.80/572,760.90 = 333,370.20/x
  3. Step 3: Cross multiply
    382,747.80x = 572,760.90 × 333,370.20
  4. Step 4: Simplify right side
    382,747.80x = 190,941,415,785.18
  5. Step 5: Solve for x
    x = 190,941,415,785.18/382,747.80
  6. Step 6: Final answer
    x = 498,870.05

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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.