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Finding the Fourth Proportional to 705.96, 1,059.14 and 295.28

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Solution

The fourth proportional to 705.96, 1,059.14 and 295.28 is: 443.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    705.96 : 1,059.14 = 295.28 : x
  2. Step 2: Convert to fraction form
    705.96/1,059.14 = 295.28/x
  3. Step 3: Cross multiply
    705.96x = 1,059.14 × 295.28
  4. Step 4: Simplify right side
    705.96x = 312,742.86
  5. Step 5: Solve for x
    x = 312,742.86/705.96
  6. Step 6: Final answer
    x = 443.00

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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.