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Finding the Fourth Proportional to 583,660.80, 874,810.80 and 268,149.60

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Solution

The fourth proportional to 583,660.80, 874,810.80 and 268,149.60 is: 401,911.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,660.80 : 874,810.80 = 268,149.60 : x
  2. Step 2: Convert to fraction form
    583,660.80/874,810.80 = 268,149.60/x
  3. Step 3: Cross multiply
    583,660.80x = 874,810.80 × 268,149.60
  4. Step 4: Simplify right side
    583,660.80x = 234,580,166,095.68
  5. Step 5: Solve for x
    x = 234,580,166,095.68/583,660.80
  6. Step 6: Final answer
    x = 401,911.81

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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.