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Finding the Fourth Proportional to 422,748.72, 583,398 and 241,484.58

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Solution

The fourth proportional to 422,748.72, 583,398 and 241,484.58 is: 333,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,748.72 : 583,398 = 241,484.58 : x
  2. Step 2: Convert to fraction form
    422,748.72/583,398 = 241,484.58/x
  3. Step 3: Cross multiply
    422,748.72x = 583,398 × 241,484.58
  4. Step 4: Simplify right side
    422,748.72x = 140,881,621,002.84
  5. Step 5: Solve for x
    x = 140,881,621,002.84/422,748.72
  6. Step 6: Final answer
    x = 333,251.44

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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.