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Finding the Fourth Proportional to 627,971.20, 866,606.43 and 341,497.51

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Solution

The fourth proportional to 627,971.20, 866,606.43 and 341,497.51 is: 471,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,971.20 : 866,606.43 = 341,497.51 : x
  2. Step 2: Convert to fraction form
    627,971.20/866,606.43 = 341,497.51/x
  3. Step 3: Cross multiply
    627,971.20x = 866,606.43 × 341,497.51
  4. Step 4: Simplify right side
    627,971.20x = 295,943,937,994.99
  5. Step 5: Solve for x
    x = 295,943,937,994.99/627,971.20
  6. Step 6: Final answer
    x = 471,269.92

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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.