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Finding the Fourth Proportional to 298,856.05, 448,354.15 and 118,952.37

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Solution

The fourth proportional to 298,856.05, 448,354.15 and 118,952.37 is: 178,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,856.05 : 448,354.15 = 118,952.37 : x
  2. Step 2: Convert to fraction form
    298,856.05/448,354.15 = 118,952.37/x
  3. Step 3: Cross multiply
    298,856.05x = 448,354.15 × 118,952.37
  4. Step 4: Simplify right side
    298,856.05x = 53,332,788,444.45
  5. Step 5: Solve for x
    x = 53,332,788,444.45/298,856.05
  6. Step 6: Final answer
    x = 178,456.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.