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Finding the Fourth Proportional to 333,979.84, 500,960.96 and 97,387.84

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Solution

The fourth proportional to 333,979.84, 500,960.96 and 97,387.84 is: 146,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,979.84 : 500,960.96 = 97,387.84 : x
  2. Step 2: Convert to fraction form
    333,979.84/500,960.96 = 97,387.84/x
  3. Step 3: Cross multiply
    333,979.84x = 500,960.96 × 97,387.84
  4. Step 4: Simplify right side
    333,979.84x = 48,787,505,818.73
  5. Step 5: Solve for x
    x = 48,787,505,818.73/333,979.84
  6. Step 6: Final answer
    x = 146,079.19

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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.