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Finding the Fourth Proportional to 951.83, 1,313.46 and 526.44

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Solution

The fourth proportional to 951.83, 1,313.46 and 526.44 is: 726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.83 : 1,313.46 = 526.44 : x
  2. Step 2: Convert to fraction form
    951.83/1,313.46 = 526.44/x
  3. Step 3: Cross multiply
    951.83x = 1,313.46 × 526.44
  4. Step 4: Simplify right side
    951.83x = 691,457.88
  5. Step 5: Solve for x
    x = 691,457.88/951.83
  6. Step 6: Final answer
    x = 726.45

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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.