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Finding the Fourth Proportional to 613,648, 846,833.34 and 341,739.70

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Solution

The fourth proportional to 613,648, 846,833.34 and 341,739.70 is: 471,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,648 : 846,833.34 = 341,739.70 : x
  2. Step 2: Convert to fraction form
    613,648/846,833.34 = 341,739.70/x
  3. Step 3: Cross multiply
    613,648x = 846,833.34 × 341,739.70
  4. Step 4: Simplify right side
    613,648x = 289,396,571,561.60
  5. Step 5: Solve for x
    x = 289,396,571,561.60/613,648
  6. Step 6: Final answer
    x = 471,600.28

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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.