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Finding the Fourth Proportional to 968.17, 1,336.05 and 526.07

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Solution

The fourth proportional to 968.17, 1,336.05 and 526.07 is: 725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.17 : 1,336.05 = 526.07 : x
  2. Step 2: Convert to fraction form
    968.17/1,336.05 = 526.07/x
  3. Step 3: Cross multiply
    968.17x = 1,336.05 × 526.07
  4. Step 4: Simplify right side
    968.17x = 702,849.14
  5. Step 5: Solve for x
    x = 702,849.14/968.17
  6. Step 6: Final answer
    x = 725.96

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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.