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Finding the Fourth Proportional to 627,752.16, 866,261.21 and 341,269.74

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Solution

The fourth proportional to 627,752.16, 866,261.21 and 341,269.74 is: 470,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,752.16 : 866,261.21 = 341,269.74 : x
  2. Step 2: Convert to fraction form
    627,752.16/866,261.21 = 341,269.74/x
  3. Step 3: Cross multiply
    627,752.16x = 866,261.21 × 341,269.74
  4. Step 4: Simplify right side
    627,752.16x = 295,628,737,908.79
  5. Step 5: Solve for x
    x = 295,628,737,908.79/627,752.16
  6. Step 6: Final answer
    x = 470,932.25

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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.