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Finding the Fourth Proportional to 934.62, 1,402.74 and 703.77

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Solution

The fourth proportional to 934.62, 1,402.74 and 703.77 is: 1,056.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.62 : 1,402.74 = 703.77 : x
  2. Step 2: Convert to fraction form
    934.62/1,402.74 = 703.77/x
  3. Step 3: Cross multiply
    934.62x = 1,402.74 × 703.77
  4. Step 4: Simplify right side
    934.62x = 987,206.33
  5. Step 5: Solve for x
    x = 987,206.33/934.62
  6. Step 6: Final answer
    x = 1,056.26

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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.