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Finding the Fourth Proportional to 341,530.28, 471,319.20 and 188,567.96

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Solution

The fourth proportional to 341,530.28, 471,319.20 and 188,567.96 is: 260,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,530.28 : 471,319.20 = 188,567.96 : x
  2. Step 2: Convert to fraction form
    341,530.28/471,319.20 = 188,567.96/x
  3. Step 3: Cross multiply
    341,530.28x = 471,319.20 × 188,567.96
  4. Step 4: Simplify right side
    341,530.28x = 88,875,700,052.83
  5. Step 5: Solve for x
    x = 88,875,700,052.83/341,530.28
  6. Step 6: Final answer
    x = 260,227.88

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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.