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Finding the Fourth Proportional to 488,717.40, 733,076.10 and 301,834.20

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Solution

The fourth proportional to 488,717.40, 733,076.10 and 301,834.20 is: 452,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,717.40 : 733,076.10 = 301,834.20 : x
  2. Step 2: Convert to fraction form
    488,717.40/733,076.10 = 301,834.20/x
  3. Step 3: Cross multiply
    488,717.40x = 733,076.10 × 301,834.20
  4. Step 4: Simplify right side
    488,717.40x = 221,267,438,182.62
  5. Step 5: Solve for x
    x = 221,267,438,182.62/488,717.40
  6. Step 6: Final answer
    x = 452,751.30

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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.