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Finding the Fourth Proportional to 200,080.80, 277,374.24 and 189,427.68

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Solution

The fourth proportional to 200,080.80, 277,374.24 and 189,427.68 is: 262,605.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,080.80 : 277,374.24 = 189,427.68 : x
  2. Step 2: Convert to fraction form
    200,080.80/277,374.24 = 189,427.68/x
  3. Step 3: Cross multiply
    200,080.80x = 277,374.24 × 189,427.68
  4. Step 4: Simplify right side
    200,080.80x = 52,542,358,774.96
  5. Step 5: Solve for x
    x = 52,542,358,774.96/200,080.80
  6. Step 6: Final answer
    x = 262,605.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.