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Finding the Fourth Proportional to 304,558.56, 456,931.32 and 136,220.52

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Solution

The fourth proportional to 304,558.56, 456,931.32 and 136,220.52 is: 204,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,558.56 : 456,931.32 = 136,220.52 : x
  2. Step 2: Convert to fraction form
    304,558.56/456,931.32 = 136,220.52/x
  3. Step 3: Cross multiply
    304,558.56x = 456,931.32 × 136,220.52
  4. Step 4: Simplify right side
    304,558.56x = 62,243,422,014.69
  5. Step 5: Solve for x
    x = 62,243,422,014.69/304,558.56
  6. Step 6: Final answer
    x = 204,372.59

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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.