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Finding the Fourth Proportional to 273,519, 377,470.80 and 160,378.20

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Solution

The fourth proportional to 273,519, 377,470.80 and 160,378.20 is: 221,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,519 : 377,470.80 = 160,378.20 : x
  2. Step 2: Convert to fraction form
    273,519/377,470.80 = 160,378.20/x
  3. Step 3: Cross multiply
    273,519x = 377,470.80 × 160,378.20
  4. Step 4: Simplify right side
    273,519x = 60,538,087,456.56
  5. Step 5: Solve for x
    x = 60,538,087,456.56/273,519
  6. Step 6: Final answer
    x = 221,330.47

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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.