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Finding the Fourth Proportional to 519,475.80, 779,460.42 and 359,797.44

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Solution

The fourth proportional to 519,475.80, 779,460.42 and 359,797.44 is: 539,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,475.80 : 779,460.42 = 359,797.44 : x
  2. Step 2: Convert to fraction form
    519,475.80/779,460.42 = 359,797.44/x
  3. Step 3: Cross multiply
    519,475.80x = 779,460.42 × 359,797.44
  4. Step 4: Simplify right side
    519,475.80x = 280,447,863,697.33
  5. Step 5: Solve for x
    x = 280,447,863,697.33/519,475.80
  6. Step 6: Final answer
    x = 539,867.04

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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.