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Finding the Fourth Proportional to 427,345.53, 589,697.25 and 236,354.82

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Solution

The fourth proportional to 427,345.53, 589,697.25 and 236,354.82 is: 326,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,345.53 : 589,697.25 = 236,354.82 : x
  2. Step 2: Convert to fraction form
    427,345.53/589,697.25 = 236,354.82/x
  3. Step 3: Cross multiply
    427,345.53x = 589,697.25 × 236,354.82
  4. Step 4: Simplify right side
    427,345.53x = 139,377,787,378.25
  5. Step 5: Solve for x
    x = 139,377,787,378.25/427,345.53
  6. Step 6: Final answer
    x = 326,147.76

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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.