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Finding the Fourth Proportional to 583,654.80, 874,801.80 and 268,143.60

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Solution

The fourth proportional to 583,654.80, 874,801.80 and 268,143.60 is: 401,902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,654.80 : 874,801.80 = 268,143.60 : x
  2. Step 2: Convert to fraction form
    583,654.80/874,801.80 = 268,143.60/x
  3. Step 3: Cross multiply
    583,654.80x = 874,801.80 × 268,143.60
  4. Step 4: Simplify right side
    583,654.80x = 234,572,503,938.48
  5. Step 5: Solve for x
    x = 234,572,503,938.48/583,654.80
  6. Step 6: Final answer
    x = 401,902.81

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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.