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Finding the Fourth Proportional to 298,292.68, 447,173.68 and 108,717.40

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Solution

The fourth proportional to 298,292.68, 447,173.68 and 108,717.40 is: 162,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,292.68 : 447,173.68 = 108,717.40 : x
  2. Step 2: Convert to fraction form
    298,292.68/447,173.68 = 108,717.40/x
  3. Step 3: Cross multiply
    298,292.68x = 447,173.68 × 108,717.40
  4. Step 4: Simplify right side
    298,292.68x = 48,615,559,838.03
  5. Step 5: Solve for x
    x = 48,615,559,838.03/298,292.68
  6. Step 6: Final answer
    x = 162,979.39

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