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Finding the Fourth Proportional to 291,604.92, 437,328.84 and 123,126.36

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Solution

The fourth proportional to 291,604.92, 437,328.84 and 123,126.36 is: 184,656.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,604.92 : 437,328.84 = 123,126.36 : x
  2. Step 2: Convert to fraction form
    291,604.92/437,328.84 = 123,126.36/x
  3. Step 3: Cross multiply
    291,604.92x = 437,328.84 × 123,126.36
  4. Step 4: Simplify right side
    291,604.92x = 53,846,708,192.22
  5. Step 5: Solve for x
    x = 53,846,708,192.22/291,604.92
  6. Step 6: Final answer
    x = 184,656.38

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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.