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Finding the Fourth Proportional to 662,679.20, 994,018.80 and 463,224.80

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Solution

The fourth proportional to 662,679.20, 994,018.80 and 463,224.80 is: 694,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,679.20 : 994,018.80 = 463,224.80 : x
  2. Step 2: Convert to fraction form
    662,679.20/994,018.80 = 463,224.80/x
  3. Step 3: Cross multiply
    662,679.20x = 994,018.80 × 463,224.80
  4. Step 4: Simplify right side
    662,679.20x = 460,454,159,826.24
  5. Step 5: Solve for x
    x = 460,454,159,826.24/662,679.20
  6. Step 6: Final answer
    x = 694,837.20

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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.