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Finding the Fourth Proportional to 382,391.10, 573,586.65 and 133,073.10

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Solution

The fourth proportional to 382,391.10, 573,586.65 and 133,073.10 is: 199,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,391.10 : 573,586.65 = 133,073.10 : x
  2. Step 2: Convert to fraction form
    382,391.10/573,586.65 = 133,073.10/x
  3. Step 3: Cross multiply
    382,391.10x = 573,586.65 × 133,073.10
  4. Step 4: Simplify right side
    382,391.10x = 76,328,953,634.12
  5. Step 5: Solve for x
    x = 76,328,953,634.12/382,391.10
  6. Step 6: Final answer
    x = 199,609.65

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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.