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Finding the Fourth Proportional to 382,003.20, 573,004.80 and 376,098.30

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Solution

The fourth proportional to 382,003.20, 573,004.80 and 376,098.30 is: 564,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,003.20 : 573,004.80 = 376,098.30 : x
  2. Step 2: Convert to fraction form
    382,003.20/573,004.80 = 376,098.30/x
  3. Step 3: Cross multiply
    382,003.20x = 573,004.80 × 376,098.30
  4. Step 4: Simplify right side
    382,003.20x = 215,506,131,171.84
  5. Step 5: Solve for x
    x = 215,506,131,171.84/382,003.20
  6. Step 6: Final answer
    x = 564,147.45

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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.