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Finding the Fourth Proportional to 339,447.14, 468,435.11 and 186,482.04

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Solution

The fourth proportional to 339,447.14, 468,435.11 and 186,482.04 is: 257,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,447.14 : 468,435.11 = 186,482.04 : x
  2. Step 2: Convert to fraction form
    339,447.14/468,435.11 = 186,482.04/x
  3. Step 3: Cross multiply
    339,447.14x = 468,435.11 × 186,482.04
  4. Step 4: Simplify right side
    339,447.14x = 87,354,733,988.01
  5. Step 5: Solve for x
    x = 87,354,733,988.01/339,447.14
  6. Step 6: Final answer
    x = 257,344.15

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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.