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Finding the Fourth Proportional to 339,737.78, 468,826.19 and 186,774.86

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Solution

The fourth proportional to 339,737.78, 468,826.19 and 186,774.86 is: 257,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,737.78 : 468,826.19 = 186,774.86 : x
  2. Step 2: Convert to fraction form
    339,737.78/468,826.19 = 186,774.86/x
  3. Step 3: Cross multiply
    339,737.78x = 468,826.19 × 186,774.86
  4. Step 4: Simplify right side
    339,737.78x = 87,564,946,001.58
  5. Step 5: Solve for x
    x = 87,564,946,001.58/339,737.78
  6. Step 6: Final answer
    x = 257,742.74

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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.