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Finding the Fourth Proportional to 339,812.32, 468,931.59 and 186,850.81

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Solution

The fourth proportional to 339,812.32, 468,931.59 and 186,850.81 is: 257,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,812.32 : 468,931.59 = 186,850.81 : x
  2. Step 2: Convert to fraction form
    339,812.32/468,931.59 = 186,850.81/x
  3. Step 3: Cross multiply
    339,812.32x = 468,931.59 × 186,850.81
  4. Step 4: Simplify right side
    339,812.32x = 87,620,247,426.09
  5. Step 5: Solve for x
    x = 87,620,247,426.09/339,812.32
  6. Step 6: Final answer
    x = 257,848.94

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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.