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Finding the Fourth Proportional to 934.65, 1,403.27 and 524.04

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Solution

The fourth proportional to 934.65, 1,403.27 and 524.04 is: 786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.65 : 1,403.27 = 524.04 : x
  2. Step 2: Convert to fraction form
    934.65/1,403.27 = 524.04/x
  3. Step 3: Cross multiply
    934.65x = 1,403.27 × 524.04
  4. Step 4: Simplify right side
    934.65x = 735,366.99
  5. Step 5: Solve for x
    x = 735,366.99/934.65
  6. Step 6: Final answer
    x = 786.78

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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.