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Finding the Fourth Proportional to 627,555.93, 866,022 and 341,077.77

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Solution

The fourth proportional to 627,555.93, 866,022 and 341,077.77 is: 470,684.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,555.93 : 866,022 = 341,077.77 : x
  2. Step 2: Convert to fraction form
    627,555.93/866,022 = 341,077.77/x
  3. Step 3: Cross multiply
    627,555.93x = 866,022 × 341,077.77
  4. Step 4: Simplify right side
    627,555.93x = 295,380,852,530.94
  5. Step 5: Solve for x
    x = 295,380,852,530.94/627,555.93
  6. Step 6: Final answer
    x = 470,684.51

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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.