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Finding the Fourth Proportional to 583,640.40, 874,974.60 and 246,939.60

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Solution

The fourth proportional to 583,640.40, 874,974.60 and 246,939.60 is: 370,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,640.40 : 874,974.60 = 246,939.60 : x
  2. Step 2: Convert to fraction form
    583,640.40/874,974.60 = 246,939.60/x
  3. Step 3: Cross multiply
    583,640.40x = 874,974.60 × 246,939.60
  4. Step 4: Simplify right side
    583,640.40x = 216,065,877,734.16
  5. Step 5: Solve for x
    x = 216,065,877,734.16/583,640.40
  6. Step 6: Final answer
    x = 370,203.77

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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.