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Finding the Fourth Proportional to 529,158.77, 729,836.76 and 366,086.60

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Solution

The fourth proportional to 529,158.77, 729,836.76 and 366,086.60 is: 504,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,158.77 : 729,836.76 = 366,086.60 : x
  2. Step 2: Convert to fraction form
    529,158.77/729,836.76 = 366,086.60/x
  3. Step 3: Cross multiply
    529,158.77x = 729,836.76 × 366,086.60
  4. Step 4: Simplify right side
    529,158.77x = 267,183,456,421.42
  5. Step 5: Solve for x
    x = 267,183,456,421.42/529,158.77
  6. Step 6: Final answer
    x = 504,921.15

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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.