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Finding the Fourth Proportional to 696,079.36, 960,727.68 and 454,401.28

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Solution

The fourth proportional to 696,079.36, 960,727.68 and 454,401.28 is: 627,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,079.36 : 960,727.68 = 454,401.28 : x
  2. Step 2: Convert to fraction form
    696,079.36/960,727.68 = 454,401.28/x
  3. Step 3: Cross multiply
    696,079.36x = 960,727.68 × 454,401.28
  4. Step 4: Simplify right side
    696,079.36x = 436,555,887,523.43
  5. Step 5: Solve for x
    x = 436,555,887,523.43/696,079.36
  6. Step 6: Final answer
    x = 627,163.96

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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.