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Finding the Fourth Proportional to 572,693.74, 858,661.44 and 273,220.54

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Solution

The fourth proportional to 572,693.74, 858,661.44 and 273,220.54 is: 409,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,693.74 : 858,661.44 = 273,220.54 : x
  2. Step 2: Convert to fraction form
    572,693.74/858,661.44 = 273,220.54/x
  3. Step 3: Cross multiply
    572,693.74x = 858,661.44 × 273,220.54
  4. Step 4: Simplify right side
    572,693.74x = 234,603,942,313.98
  5. Step 5: Solve for x
    x = 234,603,942,313.98/572,693.74
  6. Step 6: Final answer
    x = 409,649.92

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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.