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Finding the Fourth Proportional to 579,061.06, 868,707.70 and 199,995.70

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Solution

The fourth proportional to 579,061.06, 868,707.70 and 199,995.70 is: 300,033.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,061.06 : 868,707.70 = 199,995.70 : x
  2. Step 2: Convert to fraction form
    579,061.06/868,707.70 = 199,995.70/x
  3. Step 3: Cross multiply
    579,061.06x = 868,707.70 × 199,995.70
  4. Step 4: Simplify right side
    579,061.06x = 173,737,804,556.89
  5. Step 5: Solve for x
    x = 173,737,804,556.89/579,061.06
  6. Step 6: Final answer
    x = 300,033.65

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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.