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Finding the Fourth Proportional to 298,939.38, 448,332.48 and 88,528.08

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Solution

The fourth proportional to 298,939.38, 448,332.48 and 88,528.08 is: 132,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,939.38 : 448,332.48 = 88,528.08 : x
  2. Step 2: Convert to fraction form
    298,939.38/448,332.48 = 88,528.08/x
  3. Step 3: Cross multiply
    298,939.38x = 448,332.48 × 88,528.08
  4. Step 4: Simplify right side
    298,939.38x = 39,690,013,656.04
  5. Step 5: Solve for x
    x = 39,690,013,656.04/298,939.38
  6. Step 6: Final answer
    x = 132,769.44

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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.