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Finding the Fourth Proportional to 423,601.40, 584,574 and 232,618.80

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Solution

The fourth proportional to 423,601.40, 584,574 and 232,618.80 is: 321,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,601.40 : 584,574 = 232,618.80 : x
  2. Step 2: Convert to fraction form
    423,601.40/584,574 = 232,618.80/x
  3. Step 3: Cross multiply
    423,601.40x = 584,574 × 232,618.80
  4. Step 4: Simplify right side
    423,601.40x = 135,982,902,391.20
  5. Step 5: Solve for x
    x = 135,982,902,391.20/423,601.40
  6. Step 6: Final answer
    x = 321,016.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.