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Finding the Fourth Proportional to 291,754.62, 402,622.47 and 184,372.38

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Solution

The fourth proportional to 291,754.62, 402,622.47 and 184,372.38 is: 254,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,754.62 : 402,622.47 = 184,372.38 : x
  2. Step 2: Convert to fraction form
    291,754.62/402,622.47 = 184,372.38/x
  3. Step 3: Cross multiply
    291,754.62x = 402,622.47 × 184,372.38
  4. Step 4: Simplify right side
    291,754.62x = 74,232,463,035.38
  5. Step 5: Solve for x
    x = 74,232,463,035.38/291,754.62
  6. Step 6: Final answer
    x = 254,434.58

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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.