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Finding the Fourth Proportional to 339,412.92, 468,381.66 and 188,510.04

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Solution

The fourth proportional to 339,412.92, 468,381.66 and 188,510.04 is: 260,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,412.92 : 468,381.66 = 188,510.04 : x
  2. Step 2: Convert to fraction form
    339,412.92/468,381.66 = 188,510.04/x
  3. Step 3: Cross multiply
    339,412.92x = 468,381.66 × 188,510.04
  4. Step 4: Simplify right side
    339,412.92x = 88,294,645,461.87
  5. Step 5: Solve for x
    x = 88,294,645,461.87/339,412.92
  6. Step 6: Final answer
    x = 260,139.32

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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.