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Finding the Fourth Proportional to 425,188.22, 586,553.04 and 272,103.69

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Solution

The fourth proportional to 425,188.22, 586,553.04 and 272,103.69 is: 375,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,188.22 : 586,553.04 = 272,103.69 : x
  2. Step 2: Convert to fraction form
    425,188.22/586,553.04 = 272,103.69/x
  3. Step 3: Cross multiply
    425,188.22x = 586,553.04 × 272,103.69
  4. Step 4: Simplify right side
    425,188.22x = 159,603,246,564.72
  5. Step 5: Solve for x
    x = 159,603,246,564.72/425,188.22
  6. Step 6: Final answer
    x = 375,370.81

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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.