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Finding the Fourth Proportional to 627,744.48, 866,277.18 and 341,271.72

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Solution

The fourth proportional to 627,744.48, 866,277.18 and 341,271.72 is: 470,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,744.48 : 866,277.18 = 341,271.72 : x
  2. Step 2: Convert to fraction form
    627,744.48/866,277.18 = 341,271.72/x
  3. Step 3: Cross multiply
    627,744.48x = 866,277.18 × 341,271.72
  4. Step 4: Simplify right side
    627,744.48x = 295,635,903,215.35
  5. Step 5: Solve for x
    x = 295,635,903,215.35/627,744.48
  6. Step 6: Final answer
    x = 470,949.43

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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.