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Finding the Fourth Proportional to 423,469.80, 584,370.60 and 232,487.58

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Solution

The fourth proportional to 423,469.80, 584,370.60 and 232,487.58 is: 320,823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,469.80 : 584,370.60 = 232,487.58 : x
  2. Step 2: Convert to fraction form
    423,469.80/584,370.60 = 232,487.58/x
  3. Step 3: Cross multiply
    423,469.80x = 584,370.60 × 232,487.58
  4. Step 4: Simplify right side
    423,469.80x = 135,858,906,617.15
  5. Step 5: Solve for x
    x = 135,858,906,617.15/423,469.80
  6. Step 6: Final answer
    x = 320,823.13

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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.