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Finding the Fourth Proportional to 444,697.92, 613,778.40 and 283,515.84

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Solution

The fourth proportional to 444,697.92, 613,778.40 and 283,515.84 is: 391,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,697.92 : 613,778.40 = 283,515.84 : x
  2. Step 2: Convert to fraction form
    444,697.92/613,778.40 = 283,515.84/x
  3. Step 3: Cross multiply
    444,697.92x = 613,778.40 × 283,515.84
  4. Step 4: Simplify right side
    444,697.92x = 174,015,898,649.86
  5. Step 5: Solve for x
    x = 174,015,898,649.86/444,697.92
  6. Step 6: Final answer
    x = 391,312.60

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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.