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Finding the Fourth Proportional to 341,438.28, 471,232.26 and 190,545

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Solution

The fourth proportional to 341,438.28, 471,232.26 and 190,545 is: 262,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,438.28 : 471,232.26 = 190,545 : x
  2. Step 2: Convert to fraction form
    341,438.28/471,232.26 = 190,545/x
  3. Step 3: Cross multiply
    341,438.28x = 471,232.26 × 190,545
  4. Step 4: Simplify right side
    341,438.28x = 89,790,950,981.70
  5. Step 5: Solve for x
    x = 89,790,950,981.70/341,438.28
  6. Step 6: Final answer
    x = 262,978.57

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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.