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Finding the Fourth Proportional to 304,751.63, 420,560.34 and 183,869.56

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Solution

The fourth proportional to 304,751.63, 420,560.34 and 183,869.56 is: 253,741.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,751.63 : 420,560.34 = 183,869.56 : x
  2. Step 2: Convert to fraction form
    304,751.63/420,560.34 = 183,869.56/x
  3. Step 3: Cross multiply
    304,751.63x = 420,560.34 × 183,869.56
  4. Step 4: Simplify right side
    304,751.63x = 77,328,244,669.25
  5. Step 5: Solve for x
    x = 77,328,244,669.25/304,751.63
  6. Step 6: Final answer
    x = 253,741.86

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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.