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Finding the Fourth Proportional to 934.42, 1,400.01 and 833.98

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Solution

The fourth proportional to 934.42, 1,400.01 and 833.98 is: 1,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.42 : 1,400.01 = 833.98 : x
  2. Step 2: Convert to fraction form
    934.42/1,400.01 = 833.98/x
  3. Step 3: Cross multiply
    934.42x = 1,400.01 × 833.98
  4. Step 4: Simplify right side
    934.42x = 1,167,580.34
  5. Step 5: Solve for x
    x = 1,167,580.34/934.42
  6. Step 6: Final answer
    x = 1,249.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.