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Finding the Fourth Proportional to 627,955.53, 866,589.20 and 341,484.04

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Solution

The fourth proportional to 627,955.53, 866,589.20 and 341,484.04 is: 471,253.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,955.53 : 866,589.20 = 341,484.04 : x
  2. Step 2: Convert to fraction form
    627,955.53/866,589.20 = 341,484.04/x
  3. Step 3: Cross multiply
    627,955.53x = 866,589.20 × 341,484.04
  4. Step 4: Simplify right side
    627,955.53x = 295,926,381,036.37
  5. Step 5: Solve for x
    x = 295,926,381,036.37/627,955.53
  6. Step 6: Final answer
    x = 471,253.72

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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.