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Finding the Fourth Proportional to 291,944.20, 437,570.70 and 123,464.20

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Solution

The fourth proportional to 291,944.20, 437,570.70 and 123,464.20 is: 185,050.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,944.20 : 437,570.70 = 123,464.20 : x
  2. Step 2: Convert to fraction form
    291,944.20/437,570.70 = 123,464.20/x
  3. Step 3: Cross multiply
    291,944.20x = 437,570.70 × 123,464.20
  4. Step 4: Simplify right side
    291,944.20x = 54,024,316,418.94
  5. Step 5: Solve for x
    x = 54,024,316,418.94/291,944.20
  6. Step 6: Final answer
    x = 185,050.14

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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.