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Finding the Fourth Proportional to 479,144.95, 719,184.86 and 395,754.64

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Solution

The fourth proportional to 479,144.95, 719,184.86 and 395,754.64 is: 594,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,144.95 : 719,184.86 = 395,754.64 : x
  2. Step 2: Convert to fraction form
    479,144.95/719,184.86 = 395,754.64/x
  3. Step 3: Cross multiply
    479,144.95x = 719,184.86 × 395,754.64
  4. Step 4: Simplify right side
    479,144.95x = 284,620,739,788.05
  5. Step 5: Solve for x
    x = 284,620,739,788.05/479,144.95
  6. Step 6: Final answer
    x = 594,018.04

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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.