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Finding the Fourth Proportional to 934.69, 1,402.35 and 587.62

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Solution

The fourth proportional to 934.69, 1,402.35 and 587.62 is: 881.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.69 : 1,402.35 = 587.62 : x
  2. Step 2: Convert to fraction form
    934.69/1,402.35 = 587.62/x
  3. Step 3: Cross multiply
    934.69x = 1,402.35 × 587.62
  4. Step 4: Simplify right side
    934.69x = 824,040.43
  5. Step 5: Solve for x
    x = 824,040.43/934.69
  6. Step 6: Final answer
    x = 881.62

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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.