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Finding the Fourth Proportional to 339,531.94, 468,232.91 and 223,039.74

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Solution

The fourth proportional to 339,531.94, 468,232.91 and 223,039.74 is: 307,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,531.94 : 468,232.91 = 223,039.74 : x
  2. Step 2: Convert to fraction form
    339,531.94/468,232.91 = 223,039.74/x
  3. Step 3: Cross multiply
    339,531.94x = 468,232.91 × 223,039.74
  4. Step 4: Simplify right side
    339,531.94x = 104,434,547,146.52
  5. Step 5: Solve for x
    x = 104,434,547,146.52/339,531.94
  6. Step 6: Final answer
    x = 307,583.87

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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.