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Finding the Fourth Proportional to 298,853.01, 448,349.60 and 118,949.33

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Solution

The fourth proportional to 298,853.01, 448,349.60 and 118,949.33 is: 178,451.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,853.01 : 448,349.60 = 118,949.33 : x
  2. Step 2: Convert to fraction form
    298,853.01/448,349.60 = 118,949.33/x
  3. Step 3: Cross multiply
    298,853.01x = 448,349.60 × 118,949.33
  4. Step 4: Simplify right side
    298,853.01x = 53,330,881,689.27
  5. Step 5: Solve for x
    x = 53,330,881,689.27/298,853.01
  6. Step 6: Final answer
    x = 178,451.88

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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.