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Finding the Fourth Proportional to 298,956.48, 448,436.32 and 88,596.24

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Solution

The fourth proportional to 298,956.48, 448,436.32 and 88,596.24 is: 132,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,956.48 : 448,436.32 = 88,596.24 : x
  2. Step 2: Convert to fraction form
    298,956.48/448,436.32 = 88,596.24/x
  3. Step 3: Cross multiply
    298,956.48x = 448,436.32 × 88,596.24
  4. Step 4: Simplify right side
    298,956.48x = 39,729,771,831.44
  5. Step 5: Solve for x
    x = 39,729,771,831.44/298,956.48
  6. Step 6: Final answer
    x = 132,894.83

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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.