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Finding the Fourth Proportional to 295,634.27, 407,975.27 and 159,668.21

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Solution

The fourth proportional to 295,634.27, 407,975.27 and 159,668.21 is: 220,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,634.27 : 407,975.27 = 159,668.21 : x
  2. Step 2: Convert to fraction form
    295,634.27/407,975.27 = 159,668.21/x
  3. Step 3: Cross multiply
    295,634.27x = 407,975.27 × 159,668.21
  4. Step 4: Simplify right side
    295,634.27x = 65,140,681,306.76
  5. Step 5: Solve for x
    x = 65,140,681,306.76/295,634.27
  6. Step 6: Final answer
    x = 220,342.12

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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.