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Finding the Fourth Proportional to 307,294.69, 424,094.52 and 186,466.59

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Solution

The fourth proportional to 307,294.69, 424,094.52 and 186,466.59 is: 257,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,294.69 : 424,094.52 = 186,466.59 : x
  2. Step 2: Convert to fraction form
    307,294.69/424,094.52 = 186,466.59/x
  3. Step 3: Cross multiply
    307,294.69x = 424,094.52 × 186,466.59
  4. Step 4: Simplify right side
    307,294.69x = 79,079,458,982.09
  5. Step 5: Solve for x
    x = 79,079,458,982.09/307,294.69
  6. Step 6: Final answer
    x = 257,340.79

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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.