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Finding the Fourth Proportional to 627,727.44, 866,280.84 and 341,267.16

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Solution

The fourth proportional to 627,727.44, 866,280.84 and 341,267.16 is: 470,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,727.44 : 866,280.84 = 341,267.16 : x
  2. Step 2: Convert to fraction form
    627,727.44/866,280.84 = 341,267.16/x
  3. Step 3: Cross multiply
    627,727.44x = 866,280.84 × 341,267.16
  4. Step 4: Simplify right side
    627,727.44x = 295,633,202,029.21
  5. Step 5: Solve for x
    x = 295,633,202,029.21/627,727.44
  6. Step 6: Final answer
    x = 470,957.91

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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.