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Finding the Fourth Proportional to 613,321.86, 846,365.32 and 341,382.77

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Solution

The fourth proportional to 613,321.86, 846,365.32 and 341,382.77 is: 471,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,321.86 : 846,365.32 = 341,382.77 : x
  2. Step 2: Convert to fraction form
    613,321.86/846,365.32 = 341,382.77/x
  3. Step 3: Cross multiply
    613,321.86x = 846,365.32 × 341,382.77
  4. Step 4: Simplify right side
    613,321.86x = 288,934,536,742.31
  5. Step 5: Solve for x
    x = 288,934,536,742.31/613,321.86
  6. Step 6: Final answer
    x = 471,097.73

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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.