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Finding the Fourth Proportional to 341,639.28, 471,463 and 188,674.68

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Solution

The fourth proportional to 341,639.28, 471,463 and 188,674.68 is: 260,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,639.28 : 471,463 = 188,674.68 : x
  2. Step 2: Convert to fraction form
    341,639.28/471,463 = 188,674.68/x
  3. Step 3: Cross multiply
    341,639.28x = 471,463 × 188,674.68
  4. Step 4: Simplify right side
    341,639.28x = 88,953,130,656.84
  5. Step 5: Solve for x
    x = 88,953,130,656.84/341,639.28
  6. Step 6: Final answer
    x = 260,371.50

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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.