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Finding the Fourth Proportional to 479,099.99, 719,148.43 and 352,882.75

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Solution

The fourth proportional to 479,099.99, 719,148.43 and 352,882.75 is: 529,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,099.99 : 719,148.43 = 352,882.75 : x
  2. Step 2: Convert to fraction form
    479,099.99/719,148.43 = 352,882.75/x
  3. Step 3: Cross multiply
    479,099.99x = 719,148.43 × 352,882.75
  4. Step 4: Simplify right side
    479,099.99x = 253,775,072,040.84
  5. Step 5: Solve for x
    x = 253,775,072,040.84/479,099.99
  6. Step 6: Final answer
    x = 529,691.25

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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.