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Finding the Fourth Proportional to 260,951.96, 360,107.59 and 153,528.90

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Solution

The fourth proportional to 260,951.96, 360,107.59 and 153,528.90 is: 211,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,951.96 : 360,107.59 = 153,528.90 : x
  2. Step 2: Convert to fraction form
    260,951.96/360,107.59 = 153,528.90/x
  3. Step 3: Cross multiply
    260,951.96x = 360,107.59 × 153,528.90
  4. Step 4: Simplify right side
    260,951.96x = 55,286,922,174.35
  5. Step 5: Solve for x
    x = 55,286,922,174.35/260,951.96
  6. Step 6: Final answer
    x = 211,866.28

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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.