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Finding the Fourth Proportional to 836,231.92, 1,254,776.92 and 409,759.74

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Solution

The fourth proportional to 836,231.92, 1,254,776.92 and 409,759.74 is: 614,849.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,231.92 : 1,254,776.92 = 409,759.74 : x
  2. Step 2: Convert to fraction form
    836,231.92/1,254,776.92 = 409,759.74/x
  3. Step 3: Cross multiply
    836,231.92x = 1,254,776.92 × 409,759.74
  4. Step 4: Simplify right side
    836,231.92x = 514,157,063,472.80
  5. Step 5: Solve for x
    x = 514,157,063,472.80/836,231.92
  6. Step 6: Final answer
    x = 614,849.84

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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.