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Finding the Fourth Proportional to 572,735.36, 858,552.24 and 273,134.72

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Solution

The fourth proportional to 572,735.36, 858,552.24 and 273,134.72 is: 409,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,735.36 : 858,552.24 = 273,134.72 : x
  2. Step 2: Convert to fraction form
    572,735.36/858,552.24 = 273,134.72/x
  3. Step 3: Cross multiply
    572,735.36x = 858,552.24 × 273,134.72
  4. Step 4: Simplify right side
    572,735.36x = 234,500,425,677.77
  5. Step 5: Solve for x
    x = 234,500,425,677.77/572,735.36
  6. Step 6: Final answer
    x = 409,439.41

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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.