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Finding the Fourth Proportional to 335,363.69, 502,990.86 and 98,651.01

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Solution

The fourth proportional to 335,363.69, 502,990.86 and 98,651.01 is: 147,960.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,363.69 : 502,990.86 = 98,651.01 : x
  2. Step 2: Convert to fraction form
    335,363.69/502,990.86 = 98,651.01/x
  3. Step 3: Cross multiply
    335,363.69x = 502,990.86 × 98,651.01
  4. Step 4: Simplify right side
    335,363.69x = 49,620,558,615.93
  5. Step 5: Solve for x
    x = 49,620,558,615.93/335,363.69
  6. Step 6: Final answer
    x = 147,960.44

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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.