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Finding the Fourth Proportional to 855.36, 1,181.52 and 592.92

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Solution

The fourth proportional to 855.36, 1,181.52 and 592.92 is: 819.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    855.36 : 1,181.52 = 592.92 : x
  2. Step 2: Convert to fraction form
    855.36/1,181.52 = 592.92/x
  3. Step 3: Cross multiply
    855.36x = 1,181.52 × 592.92
  4. Step 4: Simplify right side
    855.36x = 700,546.84
  5. Step 5: Solve for x
    x = 700,546.84/855.36
  6. Step 6: Final answer
    x = 819.01

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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.