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Finding the Fourth Proportional to 1,193.06, 1,646.53 and 695.86

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Solution

The fourth proportional to 1,193.06, 1,646.53 and 695.86 is: 960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.06 : 1,646.53 = 695.86 : x
  2. Step 2: Convert to fraction form
    1,193.06/1,646.53 = 695.86/x
  3. Step 3: Cross multiply
    1,193.06x = 1,646.53 × 695.86
  4. Step 4: Simplify right side
    1,193.06x = 1,145,754.37
  5. Step 5: Solve for x
    x = 1,145,754.37/1,193.06
  6. Step 6: Final answer
    x = 960.35

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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.