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Finding the Fourth Proportional to 339,384.68, 468,344.10 and 188,476.52

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Solution

The fourth proportional to 339,384.68, 468,344.10 and 188,476.52 is: 260,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,384.68 : 468,344.10 = 188,476.52 : x
  2. Step 2: Convert to fraction form
    339,384.68/468,344.10 = 188,476.52/x
  3. Step 3: Cross multiply
    339,384.68x = 468,344.10 × 188,476.52
  4. Step 4: Simplify right side
    339,384.68x = 88,271,866,130.53
  5. Step 5: Solve for x
    x = 88,271,866,130.53/339,384.68
  6. Step 6: Final answer
    x = 260,093.84

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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.