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Finding the Fourth Proportional to 613,250.24, 846,285.12 and 344,978.24

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Solution

The fourth proportional to 613,250.24, 846,285.12 and 344,978.24 is: 476,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,250.24 : 846,285.12 = 344,978.24 : x
  2. Step 2: Convert to fraction form
    613,250.24/846,285.12 = 344,978.24/x
  3. Step 3: Cross multiply
    613,250.24x = 846,285.12 × 344,978.24
  4. Step 4: Simplify right side
    613,250.24x = 291,949,951,235.79
  5. Step 5: Solve for x
    x = 291,949,951,235.79/613,250.24
  6. Step 6: Final answer
    x = 476,069.85

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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.