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Finding the Fourth Proportional to 712,757.24, 983,604.96 and 426,277.32

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Solution

The fourth proportional to 712,757.24, 983,604.96 and 426,277.32 is: 588,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,757.24 : 983,604.96 = 426,277.32 : x
  2. Step 2: Convert to fraction form
    712,757.24/983,604.96 = 426,277.32/x
  3. Step 3: Cross multiply
    712,757.24x = 983,604.96 × 426,277.32
  4. Step 4: Simplify right side
    712,757.24x = 419,288,486,287.51
  5. Step 5: Solve for x
    x = 419,288,486,287.51/712,757.24
  6. Step 6: Final answer
    x = 588,262.69

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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.