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Finding the Fourth Proportional to 627,859.68, 866,777.40 and 504,004.20

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Solution

The fourth proportional to 627,859.68, 866,777.40 and 504,004.20 is: 695,791.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,859.68 : 866,777.40 = 504,004.20 : x
  2. Step 2: Convert to fraction form
    627,859.68/866,777.40 = 504,004.20/x
  3. Step 3: Cross multiply
    627,859.68x = 866,777.40 × 504,004.20
  4. Step 4: Simplify right side
    627,859.68x = 436,859,450,065.08
  5. Step 5: Solve for x
    x = 436,859,450,065.08/627,859.68
  6. Step 6: Final answer
    x = 695,791.53

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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.