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Finding the Fourth Proportional to 579,868.72, 800,227.74 and 350,393.92

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Solution

The fourth proportional to 579,868.72, 800,227.74 and 350,393.92 is: 483,548.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,868.72 : 800,227.74 = 350,393.92 : x
  2. Step 2: Convert to fraction form
    579,868.72/800,227.74 = 350,393.92/x
  3. Step 3: Cross multiply
    579,868.72x = 800,227.74 × 350,393.92
  4. Step 4: Simplify right side
    579,868.72x = 280,394,934,711.34
  5. Step 5: Solve for x
    x = 280,394,934,711.34/579,868.72
  6. Step 6: Final answer
    x = 483,548.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.