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Finding the Fourth Proportional to 382,029.70, 573,044.55 and 346,600.30

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Solution

The fourth proportional to 382,029.70, 573,044.55 and 346,600.30 is: 519,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,029.70 : 573,044.55 = 346,600.30 : x
  2. Step 2: Convert to fraction form
    382,029.70/573,044.55 = 346,600.30/x
  3. Step 3: Cross multiply
    382,029.70x = 573,044.55 × 346,600.30
  4. Step 4: Simplify right side
    382,029.70x = 198,617,412,943.37
  5. Step 5: Solve for x
    x = 198,617,412,943.37/382,029.70
  6. Step 6: Final answer
    x = 519,900.45

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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.