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Finding the Fourth Proportional to 260,952.96, 360,108.97 and 153,529.90

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Solution

The fourth proportional to 260,952.96, 360,108.97 and 153,529.90 is: 211,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,952.96 : 360,108.97 = 153,529.90 : x
  2. Step 2: Convert to fraction form
    260,952.96/360,108.97 = 153,529.90/x
  3. Step 3: Cross multiply
    260,952.96x = 360,108.97 × 153,529.90
  4. Step 4: Simplify right side
    260,952.96x = 55,287,494,153.20
  5. Step 5: Solve for x
    x = 55,287,494,153.20/260,952.96
  6. Step 6: Final answer
    x = 211,867.66

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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.