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Finding the Fourth Proportional to 444,778.85, 613,838.84 and 253,820.95

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Solution

The fourth proportional to 444,778.85, 613,838.84 and 253,820.95 is: 350,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,778.85 : 613,838.84 = 253,820.95 : x
  2. Step 2: Convert to fraction form
    444,778.85/613,838.84 = 253,820.95/x
  3. Step 3: Cross multiply
    444,778.85x = 613,838.84 × 253,820.95
  4. Step 4: Simplify right side
    444,778.85x = 155,805,157,515.70
  5. Step 5: Solve for x
    x = 155,805,157,515.70/444,778.85
  6. Step 6: Final answer
    x = 350,298.04

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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.