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Finding the Fourth Proportional to 307,752.83, 424,697.28 and 178,723.03

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Solution

The fourth proportional to 307,752.83, 424,697.28 and 178,723.03 is: 246,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,752.83 : 424,697.28 = 178,723.03 : x
  2. Step 2: Convert to fraction form
    307,752.83/424,697.28 = 178,723.03/x
  3. Step 3: Cross multiply
    307,752.83x = 424,697.28 × 178,723.03
  4. Step 4: Simplify right side
    307,752.83x = 75,903,181,697.26
  5. Step 5: Solve for x
    x = 75,903,181,697.26/307,752.83
  6. Step 6: Final answer
    x = 246,636.83

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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.