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Finding the Fourth Proportional to 579,512.80, 799,894.20 and 350,033.56

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Solution

The fourth proportional to 579,512.80, 799,894.20 and 350,033.56 is: 483,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,512.80 : 799,894.20 = 350,033.56 : x
  2. Step 2: Convert to fraction form
    579,512.80/799,894.20 = 350,033.56/x
  3. Step 3: Cross multiply
    579,512.80x = 799,894.20 × 350,033.56
  4. Step 4: Simplify right side
    579,512.80x = 279,989,814,449.35
  5. Step 5: Solve for x
    x = 279,989,814,449.35/579,512.80
  6. Step 6: Final answer
    x = 483,146.90

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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.