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Finding the Fourth Proportional to 659,832.24, 994,692.89 and 615,889.74

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Solution

The fourth proportional to 659,832.24, 994,692.89 and 615,889.74 is: 928,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,832.24 : 994,692.89 = 615,889.74 : x
  2. Step 2: Convert to fraction form
    659,832.24/994,692.89 = 615,889.74/x
  3. Step 3: Cross multiply
    659,832.24x = 994,692.89 × 615,889.74
  4. Step 4: Simplify right side
    659,832.24x = 612,621,142,322.50
  5. Step 5: Solve for x
    x = 612,621,142,322.50/659,832.24
  6. Step 6: Final answer
    x = 928,449.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.