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Finding the Fourth Proportional to 381,867.38, 572,801.04 and 97,558.54

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Solution

The fourth proportional to 381,867.38, 572,801.04 and 97,558.54 is: 146,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,867.38 : 572,801.04 = 97,558.54 : x
  2. Step 2: Convert to fraction form
    381,867.38/572,801.04 = 97,558.54/x
  3. Step 3: Cross multiply
    381,867.38x = 572,801.04 × 97,558.54
  4. Step 4: Simplify right side
    381,867.38x = 55,881,633,172.88
  5. Step 5: Solve for x
    x = 55,881,633,172.88/381,867.38
  6. Step 6: Final answer
    x = 146,337.80

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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.