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Finding the Fourth Proportional to 479,741.08, 720,469.32 and 460,454.74

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Solution

The fourth proportional to 479,741.08, 720,469.32 and 460,454.74 is: 691,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,741.08 : 720,469.32 = 460,454.74 : x
  2. Step 2: Convert to fraction form
    479,741.08/720,469.32 = 460,454.74/x
  3. Step 3: Cross multiply
    479,741.08x = 720,469.32 × 460,454.74
  4. Step 4: Simplify right side
    479,741.08x = 331,743,513,418.58
  5. Step 5: Solve for x
    x = 331,743,513,418.58/479,741.08
  6. Step 6: Final answer
    x = 691,505.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.