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Finding the Fourth Proportional to 328,751.48, 453,677.82 and 177,848.48

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Solution

The fourth proportional to 328,751.48, 453,677.82 and 177,848.48 is: 245,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,751.48 : 453,677.82 = 177,848.48 : x
  2. Step 2: Convert to fraction form
    328,751.48/453,677.82 = 177,848.48/x
  3. Step 3: Cross multiply
    328,751.48x = 453,677.82 × 177,848.48
  4. Step 4: Simplify right side
    328,751.48x = 80,685,910,696.71
  5. Step 5: Solve for x
    x = 80,685,910,696.71/328,751.48
  6. Step 6: Final answer
    x = 245,431.32

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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.