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Finding the Fourth Proportional to 1,697.42, 2,546.14 and 832.34

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Solution

The fourth proportional to 1,697.42, 2,546.14 and 832.34 is: 1,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.42 : 2,546.14 = 832.34 : x
  2. Step 2: Convert to fraction form
    1,697.42/2,546.14 = 832.34/x
  3. Step 3: Cross multiply
    1,697.42x = 2,546.14 × 832.34
  4. Step 4: Simplify right side
    1,697.42x = 2,119,254.17
  5. Step 5: Solve for x
    x = 2,119,254.17/1,697.42
  6. Step 6: Final answer
    x = 1,248.51

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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.