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Finding the Fourth Proportional to 627,875.28, 866,465.91 and 341,396.10

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Solution

The fourth proportional to 627,875.28, 866,465.91 and 341,396.10 is: 471,125.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,875.28 : 866,465.91 = 341,396.10 : x
  2. Step 2: Convert to fraction form
    627,875.28/866,465.91 = 341,396.10/x
  3. Step 3: Cross multiply
    627,875.28x = 866,465.91 × 341,396.10
  4. Step 4: Simplify right side
    627,875.28x = 295,808,082,456.95
  5. Step 5: Solve for x
    x = 295,808,082,456.95/627,875.28
  6. Step 6: Final answer
    x = 471,125.54

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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.