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Finding the Fourth Proportional to 295,888.72, 408,211.68 and 188,439.52

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Solution

The fourth proportional to 295,888.72, 408,211.68 and 188,439.52 is: 259,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,888.72 : 408,211.68 = 188,439.52 : x
  2. Step 2: Convert to fraction form
    295,888.72/408,211.68 = 188,439.52/x
  3. Step 3: Cross multiply
    295,888.72x = 408,211.68 × 188,439.52
  4. Step 4: Simplify right side
    295,888.72x = 76,923,213,037.59
  5. Step 5: Solve for x
    x = 76,923,213,037.59/295,888.72
  6. Step 6: Final answer
    x = 259,973.46

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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.