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Finding the Fourth Proportional to 260,557.38, 356,285.87 and 260,557.38

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Solution

The fourth proportional to 260,557.38, 356,285.87 and 260,557.38 is: 356,285.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,557.38 : 356,285.87 = 260,557.38 : x
  2. Step 2: Convert to fraction form
    260,557.38/356,285.87 = 260,557.38/x
  3. Step 3: Cross multiply
    260,557.38x = 356,285.87 × 260,557.38
  4. Step 4: Simplify right side
    260,557.38x = 92,832,912,492.52
  5. Step 5: Solve for x
    x = 92,832,912,492.52/260,557.38
  6. Step 6: Final answer
    x = 356,285.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.