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Finding the Fourth Proportional to 572,692.74, 858,659.94 and 273,219.54

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Solution

The fourth proportional to 572,692.74, 858,659.94 and 273,219.54 is: 409,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,692.74 : 858,659.94 = 273,219.54 : x
  2. Step 2: Convert to fraction form
    572,692.74/858,659.94 = 273,219.54/x
  3. Step 3: Cross multiply
    572,692.74x = 858,659.94 × 273,219.54
  4. Step 4: Simplify right side
    572,692.74x = 234,602,673,823.23
  5. Step 5: Solve for x
    x = 234,602,673,823.23/572,692.74
  6. Step 6: Final answer
    x = 409,648.42

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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.