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Finding the Fourth Proportional to 627,532.98, 866,002.22 and 341,053.08

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Solution

The fourth proportional to 627,532.98, 866,002.22 and 341,053.08 is: 470,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,532.98 : 866,002.22 = 341,053.08 : x
  2. Step 2: Convert to fraction form
    627,532.98/866,002.22 = 341,053.08/x
  3. Step 3: Cross multiply
    627,532.98x = 866,002.22 × 341,053.08
  4. Step 4: Simplify right side
    627,532.98x = 295,352,724,417.84
  5. Step 5: Solve for x
    x = 295,352,724,417.84/627,532.98
  6. Step 6: Final answer
    x = 470,656.90

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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.