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Finding the Fourth Proportional to 501,211.48, 752,190.96 and 201,694.72

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Solution

The fourth proportional to 501,211.48, 752,190.96 and 201,694.72 is: 302,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,211.48 : 752,190.96 = 201,694.72 : x
  2. Step 2: Convert to fraction form
    501,211.48/752,190.96 = 201,694.72/x
  3. Step 3: Cross multiply
    501,211.48x = 752,190.96 × 201,694.72
  4. Step 4: Simplify right side
    501,211.48x = 151,712,945,063.73
  5. Step 5: Solve for x
    x = 151,712,945,063.73/501,211.48
  6. Step 6: Final answer
    x = 302,692.48

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1.5x scale

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.