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Finding the Fourth Proportional to 293,531.70, 440,297.55 and 200,219.70

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Solution

The fourth proportional to 293,531.70, 440,297.55 and 200,219.70 is: 300,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,531.70 : 440,297.55 = 200,219.70 : x
  2. Step 2: Convert to fraction form
    293,531.70/440,297.55 = 200,219.70/x
  3. Step 3: Cross multiply
    293,531.70x = 440,297.55 × 200,219.70
  4. Step 4: Simplify right side
    293,531.70x = 88,156,243,371.74
  5. Step 5: Solve for x
    x = 88,156,243,371.74/293,531.70
  6. Step 6: Final answer
    x = 300,329.55

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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.