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Finding the Fourth Proportional to 439,183.32, 606,041.12 and 242,941.50

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Solution

The fourth proportional to 439,183.32, 606,041.12 and 242,941.50 is: 335,241.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,183.32 : 606,041.12 = 242,941.50 : x
  2. Step 2: Convert to fraction form
    439,183.32/606,041.12 = 242,941.50/x
  3. Step 3: Cross multiply
    439,183.32x = 606,041.12 × 242,941.50
  4. Step 4: Simplify right side
    439,183.32x = 147,232,538,754.48
  5. Step 5: Solve for x
    x = 147,232,538,754.48/439,183.32
  6. Step 6: Final answer
    x = 335,241.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.