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Finding the Fourth Proportional to 627,544.82, 866,017.53 and 341,065.58

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Solution

The fourth proportional to 627,544.82, 866,017.53 and 341,065.58 is: 470,673.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,544.82 : 866,017.53 = 341,065.58 : x
  2. Step 2: Convert to fraction form
    627,544.82/866,017.53 = 341,065.58/x
  3. Step 3: Cross multiply
    627,544.82x = 866,017.53 × 341,065.58
  4. Step 4: Simplify right side
    627,544.82x = 295,368,771,159.62
  5. Step 5: Solve for x
    x = 295,368,771,159.62/627,544.82
  6. Step 6: Final answer
    x = 470,673.59

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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.