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Finding the Fourth Proportional to 846.34, 1,167.76 and 514.70

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Solution

The fourth proportional to 846.34, 1,167.76 and 514.70 is: 710.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.34 : 1,167.76 = 514.70 : x
  2. Step 2: Convert to fraction form
    846.34/1,167.76 = 514.70/x
  3. Step 3: Cross multiply
    846.34x = 1,167.76 × 514.70
  4. Step 4: Simplify right side
    846.34x = 601,046.07
  5. Step 5: Solve for x
    x = 601,046.07/846.34
  6. Step 6: Final answer
    x = 710.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.