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Finding the Fourth Proportional to 325,248.15, 448,835.33 and 178,072.71

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Solution

The fourth proportional to 325,248.15, 448,835.33 and 178,072.71 is: 245,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,248.15 : 448,835.33 = 178,072.71 : x
  2. Step 2: Convert to fraction form
    325,248.15/448,835.33 = 178,072.71/x
  3. Step 3: Cross multiply
    325,248.15x = 448,835.33 × 178,072.71
  4. Step 4: Simplify right side
    325,248.15x = 79,925,322,666.48
  5. Step 5: Solve for x
    x = 79,925,322,666.48/325,248.15
  6. Step 6: Final answer
    x = 245,736.44

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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.