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Finding the Fourth Proportional to 934.96, 1,402.62 and 524.68

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Solution

The fourth proportional to 934.96, 1,402.62 and 524.68 is: 787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.96 : 1,402.62 = 524.68 : x
  2. Step 2: Convert to fraction form
    934.96/1,402.62 = 524.68/x
  3. Step 3: Cross multiply
    934.96x = 1,402.62 × 524.68
  4. Step 4: Simplify right side
    934.96x = 735,926.66
  5. Step 5: Solve for x
    x = 735,926.66/934.96
  6. Step 6: Final answer
    x = 787.12

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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.