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Finding the Fourth Proportional to 260,525.36, 359,410.86 and 153,046.92

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Solution

The fourth proportional to 260,525.36, 359,410.86 and 153,046.92 is: 211,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,525.36 : 359,410.86 = 153,046.92 : x
  2. Step 2: Convert to fraction form
    260,525.36/359,410.86 = 153,046.92/x
  3. Step 3: Cross multiply
    260,525.36x = 359,410.86 × 153,046.92
  4. Step 4: Simplify right side
    260,525.36x = 55,006,725,137.55
  5. Step 5: Solve for x
    x = 55,006,725,137.55/260,525.36
  6. Step 6: Final answer
    x = 211,137.70

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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.