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Finding the Fourth Proportional to 341,411.28, 471,195 and 190,518

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Solution

The fourth proportional to 341,411.28, 471,195 and 190,518 is: 262,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,411.28 : 471,195 = 190,518 : x
  2. Step 2: Convert to fraction form
    341,411.28/471,195 = 190,518/x
  3. Step 3: Cross multiply
    341,411.28x = 471,195 × 190,518
  4. Step 4: Simplify right side
    341,411.28x = 89,771,129,010
  5. Step 5: Solve for x
    x = 89,771,129,010/341,411.28
  6. Step 6: Final answer
    x = 262,941.31

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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.