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Finding the Fourth Proportional to 382,203.60, 573,305.40 and 293,902.80

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Solution

The fourth proportional to 382,203.60, 573,305.40 and 293,902.80 is: 440,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,203.60 : 573,305.40 = 293,902.80 : x
  2. Step 2: Convert to fraction form
    382,203.60/573,305.40 = 293,902.80/x
  3. Step 3: Cross multiply
    382,203.60x = 573,305.40 × 293,902.80
  4. Step 4: Simplify right side
    382,203.60x = 168,496,062,315.12
  5. Step 5: Solve for x
    x = 168,496,062,315.12/382,203.60
  6. Step 6: Final answer
    x = 440,854.20

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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.