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Finding the Fourth Proportional to 291,606.82, 437,143.66 and 246,915.92

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Solution

The fourth proportional to 291,606.82, 437,143.66 and 246,915.92 is: 370,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,606.82 : 437,143.66 = 246,915.92 : x
  2. Step 2: Convert to fraction form
    291,606.82/437,143.66 = 246,915.92/x
  3. Step 3: Cross multiply
    291,606.82x = 437,143.66 × 246,915.92
  4. Step 4: Simplify right side
    291,606.82x = 107,937,729,456.64
  5. Step 5: Solve for x
    x = 107,937,729,456.64/291,606.82
  6. Step 6: Final answer
    x = 370,148.17

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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.