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Finding the Fourth Proportional to 339,746.53, 468,838.26 and 186,783.61

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Solution

The fourth proportional to 339,746.53, 468,838.26 and 186,783.61 is: 257,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,746.53 : 468,838.26 = 186,783.61 : x
  2. Step 2: Convert to fraction form
    339,746.53/468,838.26 = 186,783.61/x
  3. Step 3: Cross multiply
    339,746.53x = 468,838.26 × 186,783.61
  4. Step 4: Simplify right side
    339,746.53x = 87,571,302,708.92
  5. Step 5: Solve for x
    x = 87,571,302,708.92/339,746.53
  6. Step 6: Final answer
    x = 257,754.81

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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.