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Finding the Fourth Proportional to 382,028.40, 573,042.60 and 293,454.90

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Solution

The fourth proportional to 382,028.40, 573,042.60 and 293,454.90 is: 440,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,028.40 : 573,042.60 = 293,454.90 : x
  2. Step 2: Convert to fraction form
    382,028.40/573,042.60 = 293,454.90/x
  3. Step 3: Cross multiply
    382,028.40x = 573,042.60 × 293,454.90
  4. Step 4: Simplify right side
    382,028.40x = 168,162,158,878.74
  5. Step 5: Solve for x
    x = 168,162,158,878.74/382,028.40
  6. Step 6: Final answer
    x = 440,182.35

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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.