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Finding the Fourth Proportional to 951.42, 1,313.34 and 597.25

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Solution

The fourth proportional to 951.42, 1,313.34 and 597.25 is: 824.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.42 : 1,313.34 = 597.25 : x
  2. Step 2: Convert to fraction form
    951.42/1,313.34 = 597.25/x
  3. Step 3: Cross multiply
    951.42x = 1,313.34 × 597.25
  4. Step 4: Simplify right side
    951.42x = 784,382.76
  5. Step 5: Solve for x
    x = 784,382.76/951.42
  6. Step 6: Final answer
    x = 824.43

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1.5x scale

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.