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Finding the Fourth Proportional to 486,016.20, 729,024.30 and 467,645.40

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Solution

The fourth proportional to 486,016.20, 729,024.30 and 467,645.40 is: 701,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,016.20 : 729,024.30 = 467,645.40 : x
  2. Step 2: Convert to fraction form
    486,016.20/729,024.30 = 467,645.40/x
  3. Step 3: Cross multiply
    486,016.20x = 729,024.30 × 467,645.40
  4. Step 4: Simplify right side
    486,016.20x = 340,924,860,383.22
  5. Step 5: Solve for x
    x = 340,924,860,383.22/486,016.20
  6. Step 6: Final answer
    x = 701,468.10

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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.