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Finding the Fourth Proportional to 833.88, 1,150.74 and 460.86

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Solution

The fourth proportional to 833.88, 1,150.74 and 460.86 is: 635.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.88 : 1,150.74 = 460.86 : x
  2. Step 2: Convert to fraction form
    833.88/1,150.74 = 460.86/x
  3. Step 3: Cross multiply
    833.88x = 1,150.74 × 460.86
  4. Step 4: Simplify right side
    833.88x = 530,330.04
  5. Step 5: Solve for x
    x = 530,330.04/833.88
  6. Step 6: Final answer
    x = 635.98

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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.