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Finding the Fourth Proportional to 1,596.47, 2,394.79 and 622.49

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Solution

The fourth proportional to 1,596.47, 2,394.79 and 622.49 is: 933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.47 : 2,394.79 = 622.49 : x
  2. Step 2: Convert to fraction form
    1,596.47/2,394.79 = 622.49/x
  3. Step 3: Cross multiply
    1,596.47x = 2,394.79 × 622.49
  4. Step 4: Simplify right side
    1,596.47x = 1,490,719.30
  5. Step 5: Solve for x
    x = 1,490,719.30/1,596.47
  6. Step 6: Final answer
    x = 933.76

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1.5x scale

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.