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Finding the Fourth Proportional to 700,652.28, 966,700.17 and 394,621.74

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Solution

The fourth proportional to 700,652.28, 966,700.17 and 394,621.74 is: 544,465.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,652.28 : 966,700.17 = 394,621.74 : x
  2. Step 2: Convert to fraction form
    700,652.28/966,700.17 = 394,621.74/x
  3. Step 3: Cross multiply
    700,652.28x = 966,700.17 × 394,621.74
  4. Step 4: Simplify right side
    700,652.28x = 381,480,903,143.70
  5. Step 5: Solve for x
    x = 381,480,903,143.70/700,652.28
  6. Step 6: Final answer
    x = 544,465.37

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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.