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Finding the Fourth Proportional to 501,197.64, 691,692.72 and 283,452.24

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Solution

The fourth proportional to 501,197.64, 691,692.72 and 283,452.24 is: 391,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,197.64 : 691,692.72 = 283,452.24 : x
  2. Step 2: Convert to fraction form
    501,197.64/691,692.72 = 283,452.24/x
  3. Step 3: Cross multiply
    501,197.64x = 691,692.72 × 283,452.24
  4. Step 4: Simplify right side
    501,197.64x = 196,061,850,875.69
  5. Step 5: Solve for x
    x = 196,061,850,875.69/501,197.64
  6. Step 6: Final answer
    x = 391,186.70

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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.