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Finding the Fourth Proportional to 275,227.72, 379,814.95 and 160,585.18

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Solution

The fourth proportional to 275,227.72, 379,814.95 and 160,585.18 is: 221,607.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,227.72 : 379,814.95 = 160,585.18 : x
  2. Step 2: Convert to fraction form
    275,227.72/379,814.95 = 160,585.18/x
  3. Step 3: Cross multiply
    275,227.72x = 379,814.95 × 160,585.18
  4. Step 4: Simplify right side
    275,227.72x = 60,992,653,048.45
  5. Step 5: Solve for x
    x = 60,992,653,048.45/275,227.72
  6. Step 6: Final answer
    x = 221,607.96

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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.