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Finding the Fourth Proportional to 260,484.70, 359,124.29 and 187,826.80

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Solution

The fourth proportional to 260,484.70, 359,124.29 and 187,826.80 is: 258,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,484.70 : 359,124.29 = 187,826.80 : x
  2. Step 2: Convert to fraction form
    260,484.70/359,124.29 = 187,826.80/x
  3. Step 3: Cross multiply
    260,484.70x = 359,124.29 × 187,826.80
  4. Step 4: Simplify right side
    260,484.70x = 67,453,166,192.97
  5. Step 5: Solve for x
    x = 67,453,166,192.97/260,484.70
  6. Step 6: Final answer
    x = 258,952.51

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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.