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Finding the Fourth Proportional to 627,572.92, 866,051.82 and 341,092.32

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Solution

The fourth proportional to 627,572.92, 866,051.82 and 341,092.32 is: 470,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,572.92 : 866,051.82 = 341,092.32 : x
  2. Step 2: Convert to fraction form
    627,572.92/866,051.82 = 341,092.32/x
  3. Step 3: Cross multiply
    627,572.92x = 866,051.82 × 341,092.32
  4. Step 4: Simplify right side
    627,572.92x = 295,403,624,524.02
  5. Step 5: Solve for x
    x = 295,403,624,524.02/627,572.92
  6. Step 6: Final answer
    x = 470,708.05

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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.