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Finding the Fourth Proportional to 627,653.67, 866,165.13 and 341,173.75

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Solution

The fourth proportional to 627,653.67, 866,165.13 and 341,173.75 is: 470,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,653.67 : 866,165.13 = 341,173.75 : x
  2. Step 2: Convert to fraction form
    627,653.67/866,165.13 = 341,173.75/x
  3. Step 3: Cross multiply
    627,653.67x = 866,165.13 × 341,173.75
  4. Step 4: Simplify right side
    627,653.67x = 295,512,805,521.34
  5. Step 5: Solve for x
    x = 295,512,805,521.34/627,653.67
  6. Step 6: Final answer
    x = 470,821.44

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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.