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Finding the Fourth Proportional to 341,409.51, 471,145.17 and 188,447.76

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Solution

The fourth proportional to 341,409.51, 471,145.17 and 188,447.76 is: 260,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,409.51 : 471,145.17 = 188,447.76 : x
  2. Step 2: Convert to fraction form
    341,409.51/471,145.17 = 188,447.76/x
  3. Step 3: Cross multiply
    341,409.51x = 471,145.17 × 188,447.76
  4. Step 4: Simplify right side
    341,409.51x = 88,786,251,921.32
  5. Step 5: Solve for x
    x = 88,786,251,921.32/341,409.51
  6. Step 6: Final answer
    x = 260,057.93

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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.