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Finding the Fourth Proportional to 555,703.68, 766,589.22 and 351,410.34

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Solution

The fourth proportional to 555,703.68, 766,589.22 and 351,410.34 is: 484,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,703.68 : 766,589.22 = 351,410.34 : x
  2. Step 2: Convert to fraction form
    555,703.68/766,589.22 = 351,410.34/x
  3. Step 3: Cross multiply
    555,703.68x = 766,589.22 × 351,410.34
  4. Step 4: Simplify right side
    555,703.68x = 269,387,378,440.54
  5. Step 5: Solve for x
    x = 269,387,378,440.54/555,703.68
  6. Step 6: Final answer
    x = 484,768.03

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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.