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Finding the Fourth Proportional to 341,516.76, 471,290.91 and 188,564.46

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Solution

The fourth proportional to 341,516.76, 471,290.91 and 188,564.46 is: 260,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,516.76 : 471,290.91 = 188,564.46 : x
  2. Step 2: Convert to fraction form
    341,516.76/471,290.91 = 188,564.46/x
  3. Step 3: Cross multiply
    341,516.76x = 471,290.91 × 188,564.46
  4. Step 4: Simplify right side
    341,516.76x = 88,868,715,947.06
  5. Step 5: Solve for x
    x = 88,868,715,947.06/341,516.76
  6. Step 6: Final answer
    x = 260,217.73

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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.