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Finding the Fourth Proportional to 583,659.80, 874,809.30 and 268,148.60

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Solution

The fourth proportional to 583,659.80, 874,809.30 and 268,148.60 is: 401,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,659.80 : 874,809.30 = 268,148.60 : x
  2. Step 2: Convert to fraction form
    583,659.80/874,809.30 = 268,148.60/x
  3. Step 3: Cross multiply
    583,659.80x = 874,809.30 × 268,148.60
  4. Step 4: Simplify right side
    583,659.80x = 234,578,889,061.98
  5. Step 5: Solve for x
    x = 234,578,889,061.98/583,659.80
  6. Step 6: Final answer
    x = 401,910.31

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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.