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Finding the Fourth Proportional to 552,157.20, 829,110.60 and 403,441.20

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Solution

The fourth proportional to 552,157.20, 829,110.60 and 403,441.20 is: 605,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,157.20 : 829,110.60 = 403,441.20 : x
  2. Step 2: Convert to fraction form
    552,157.20/829,110.60 = 403,441.20/x
  3. Step 3: Cross multiply
    552,157.20x = 829,110.60 × 403,441.20
  4. Step 4: Simplify right side
    552,157.20x = 334,497,375,396.72
  5. Step 5: Solve for x
    x = 334,497,375,396.72/552,157.20
  6. Step 6: Final answer
    x = 605,800.98

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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.