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Finding the Fourth Proportional to 583,257.70, 874,980.78 and 246,349

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Solution

The fourth proportional to 583,257.70, 874,980.78 and 246,349 is: 369,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,257.70 : 874,980.78 = 246,349 : x
  2. Step 2: Convert to fraction form
    583,257.70/874,980.78 = 246,349/x
  3. Step 3: Cross multiply
    583,257.70x = 874,980.78 × 246,349
  4. Step 4: Simplify right side
    583,257.70x = 215,550,640,172.22
  5. Step 5: Solve for x
    x = 215,550,640,172.22/583,257.70
  6. Step 6: Final answer
    x = 369,563.30

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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.