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Finding the Fourth Proportional to 529,942.66, 731,008.85 and 333,396.02

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Solution

The fourth proportional to 529,942.66, 731,008.85 and 333,396.02 is: 459,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,942.66 : 731,008.85 = 333,396.02 : x
  2. Step 2: Convert to fraction form
    529,942.66/731,008.85 = 333,396.02/x
  3. Step 3: Cross multiply
    529,942.66x = 731,008.85 × 333,396.02
  4. Step 4: Simplify right side
    529,942.66x = 243,715,441,174.78
  5. Step 5: Solve for x
    x = 243,715,441,174.78/529,942.66
  6. Step 6: Final answer
    x = 459,890.21

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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.