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Finding the Fourth Proportional to 339,688.45, 468,775.88 and 186,733.08

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Solution

The fourth proportional to 339,688.45, 468,775.88 and 186,733.08 is: 257,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,688.45 : 468,775.88 = 186,733.08 : x
  2. Step 2: Convert to fraction form
    339,688.45/468,775.88 = 186,733.08/x
  3. Step 3: Cross multiply
    339,688.45x = 468,775.88 × 186,733.08
  4. Step 4: Simplify right side
    339,688.45x = 87,535,964,368.94
  5. Step 5: Solve for x
    x = 87,535,964,368.94/339,688.45
  6. Step 6: Final answer
    x = 257,694.85

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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.