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Finding the Fourth Proportional to 579,073.98, 868,473.69 and 326,466.30

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Solution

The fourth proportional to 579,073.98, 868,473.69 and 326,466.30 is: 489,622.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,073.98 : 868,473.69 = 326,466.30 : x
  2. Step 2: Convert to fraction form
    579,073.98/868,473.69 = 326,466.30/x
  3. Step 3: Cross multiply
    579,073.98x = 868,473.69 × 326,466.30
  4. Step 4: Simplify right side
    579,073.98x = 283,527,392,221.65
  5. Step 5: Solve for x
    x = 283,527,392,221.65/579,073.98
  6. Step 6: Final answer
    x = 489,622.06

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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.