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Finding the Fourth Proportional to 713,324.80, 984,536.84 and 655,873.22

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Solution

The fourth proportional to 713,324.80, 984,536.84 and 655,873.22 is: 905,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,324.80 : 984,536.84 = 655,873.22 : x
  2. Step 2: Convert to fraction form
    713,324.80/984,536.84 = 655,873.22/x
  3. Step 3: Cross multiply
    713,324.80x = 984,536.84 × 655,873.22
  4. Step 4: Simplify right side
    713,324.80x = 645,731,349,100.93
  5. Step 5: Solve for x
    x = 645,731,349,100.93/713,324.80
  6. Step 6: Final answer
    x = 905,241.69

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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.