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Finding the Fourth Proportional to 281,570.58, 388,470.27 and 160,624.62

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Solution

The fourth proportional to 281,570.58, 388,470.27 and 160,624.62 is: 221,606.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,570.58 : 388,470.27 = 160,624.62 : x
  2. Step 2: Convert to fraction form
    281,570.58/388,470.27 = 160,624.62/x
  3. Step 3: Cross multiply
    281,570.58x = 388,470.27 × 160,624.62
  4. Step 4: Simplify right side
    281,570.58x = 62,397,889,500.05
  5. Step 5: Solve for x
    x = 62,397,889,500.05/281,570.58
  6. Step 6: Final answer
    x = 221,606.57

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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.