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Finding the Fourth Proportional to 260,833.92, 359,952.30 and 153,408.48

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Solution

The fourth proportional to 260,833.92, 359,952.30 and 153,408.48 is: 211,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,833.92 : 359,952.30 = 153,408.48 : x
  2. Step 2: Convert to fraction form
    260,833.92/359,952.30 = 153,408.48/x
  3. Step 3: Cross multiply
    260,833.92x = 359,952.30 × 153,408.48
  4. Step 4: Simplify right side
    260,833.92x = 55,219,735,215.50
  5. Step 5: Solve for x
    x = 55,219,735,215.50/260,833.92
  6. Step 6: Final answer
    x = 211,704.58

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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.