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Finding the Fourth Proportional to 382,546.70, 573,820.05 and 340,556.30

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Solution

The fourth proportional to 382,546.70, 573,820.05 and 340,556.30 is: 510,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,546.70 : 573,820.05 = 340,556.30 : x
  2. Step 2: Convert to fraction form
    382,546.70/573,820.05 = 340,556.30/x
  3. Step 3: Cross multiply
    382,546.70x = 573,820.05 × 340,556.30
  4. Step 4: Simplify right side
    382,546.70x = 195,418,033,093.82
  5. Step 5: Solve for x
    x = 195,418,033,093.82/382,546.70
  6. Step 6: Final answer
    x = 510,834.45

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Similar ratio
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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.