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Finding the Fourth Proportional to 934.76, 1,402.86 and 610.04

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Solution

The fourth proportional to 934.76, 1,402.86 and 610.04 is: 915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.76 : 1,402.86 = 610.04 : x
  2. Step 2: Convert to fraction form
    934.76/1,402.86 = 610.04/x
  3. Step 3: Cross multiply
    934.76x = 1,402.86 × 610.04
  4. Step 4: Simplify right side
    934.76x = 855,800.71
  5. Step 5: Solve for x
    x = 855,800.71/934.76
  6. Step 6: Final answer
    x = 915.53

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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.