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Finding the Fourth Proportional to 693,067.98, 956,441.79 and 406,592.94

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Solution

The fourth proportional to 693,067.98, 956,441.79 and 406,592.94 is: 561,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,067.98 : 956,441.79 = 406,592.94 : x
  2. Step 2: Convert to fraction form
    693,067.98/956,441.79 = 406,592.94/x
  3. Step 3: Cross multiply
    693,067.98x = 956,441.79 × 406,592.94
  4. Step 4: Simplify right side
    693,067.98x = 388,882,479,334.96
  5. Step 5: Solve for x
    x = 388,882,479,334.96/693,067.98
  6. Step 6: Final answer
    x = 561,102.94

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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.