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Finding the Fourth Proportional to 662,684.80, 994,027.20 and 586,577.20

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Solution

The fourth proportional to 662,684.80, 994,027.20 and 586,577.20 is: 879,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,684.80 : 994,027.20 = 586,577.20 : x
  2. Step 2: Convert to fraction form
    662,684.80/994,027.20 = 586,577.20/x
  3. Step 3: Cross multiply
    662,684.80x = 994,027.20 × 586,577.20
  4. Step 4: Simplify right side
    662,684.80x = 583,073,691,699.84
  5. Step 5: Solve for x
    x = 583,073,691,699.84/662,684.80
  6. Step 6: Final answer
    x = 879,865.80

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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.