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Finding the Fourth Proportional to 627,570.92, 866,049.06 and 341,090.32

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Solution

The fourth proportional to 627,570.92, 866,049.06 and 341,090.32 is: 470,705.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,570.92 : 866,049.06 = 341,090.32 : x
  2. Step 2: Convert to fraction form
    627,570.92/866,049.06 = 341,090.32/x
  3. Step 3: Cross multiply
    627,570.92x = 866,049.06 × 341,090.32
  4. Step 4: Simplify right side
    627,570.92x = 295,400,951,011.10
  5. Step 5: Solve for x
    x = 295,400,951,011.10/627,570.92
  6. Step 6: Final answer
    x = 470,705.29

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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.