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Finding the Fourth Proportional to 1,609.40, 2,414.10 and 583.16

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Solution

The fourth proportional to 1,609.40, 2,414.10 and 583.16 is: 874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.40 : 2,414.10 = 583.16 : x
  2. Step 2: Convert to fraction form
    1,609.40/2,414.10 = 583.16/x
  3. Step 3: Cross multiply
    1,609.40x = 2,414.10 × 583.16
  4. Step 4: Simplify right side
    1,609.40x = 1,407,806.56
  5. Step 5: Solve for x
    x = 1,407,806.56/1,609.40
  6. Step 6: Final answer
    x = 874.74

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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.