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Finding the Fourth Proportional to 613,336.15, 846,403.83 and 341,398.19

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Solution

The fourth proportional to 613,336.15, 846,403.83 and 341,398.19 is: 471,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,336.15 : 846,403.83 = 341,398.19 : x
  2. Step 2: Convert to fraction form
    613,336.15/846,403.83 = 341,398.19/x
  3. Step 3: Cross multiply
    613,336.15x = 846,403.83 × 341,398.19
  4. Step 4: Simplify right side
    613,336.15x = 288,960,737,687.08
  5. Step 5: Solve for x
    x = 288,960,737,687.08/613,336.15
  6. Step 6: Final answer
    x = 471,129.47

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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.