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Finding the Fourth Proportional to 423,529.70, 584,480.41 and 232,543.85

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Solution

The fourth proportional to 423,529.70, 584,480.41 and 232,543.85 is: 320,915.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,529.70 : 584,480.41 = 232,543.85 : x
  2. Step 2: Convert to fraction form
    423,529.70/584,480.41 = 232,543.85/x
  3. Step 3: Cross multiply
    423,529.70x = 584,480.41 × 232,543.85
  4. Step 4: Simplify right side
    423,529.70x = 135,917,321,287.22
  5. Step 5: Solve for x
    x = 135,917,321,287.22/423,529.70
  6. Step 6: Final answer
    x = 320,915.68

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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.