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Finding the Fourth Proportional to 341,729.54, 471,584.88 and 188,778.23

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Solution

The fourth proportional to 341,729.54, 471,584.88 and 188,778.23 is: 260,512.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,729.54 : 471,584.88 = 188,778.23 : x
  2. Step 2: Convert to fraction form
    341,729.54/471,584.88 = 188,778.23/x
  3. Step 3: Cross multiply
    341,729.54x = 471,584.88 × 188,778.23
  4. Step 4: Simplify right side
    341,729.54x = 89,024,958,941.16
  5. Step 5: Solve for x
    x = 89,024,958,941.16/341,729.54
  6. Step 6: Final answer
    x = 260,512.92

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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.