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Finding the Fourth Proportional to 265,243.88, 365,339.27 and 203,872.70

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Solution

The fourth proportional to 265,243.88, 365,339.27 and 203,872.70 is: 280,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,243.88 : 365,339.27 = 203,872.70 : x
  2. Step 2: Convert to fraction form
    265,243.88/365,339.27 = 203,872.70/x
  3. Step 3: Cross multiply
    265,243.88x = 365,339.27 × 203,872.70
  4. Step 4: Simplify right side
    265,243.88x = 74,482,703,390.93
  5. Step 5: Solve for x
    x = 74,482,703,390.93/265,243.88
  6. Step 6: Final answer
    x = 280,808.38

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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.