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Finding the Fourth Proportional to 298,606.02, 447,906.24 and 121,070.84

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Solution

The fourth proportional to 298,606.02, 447,906.24 and 121,070.84 is: 181,605.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,606.02 : 447,906.24 = 121,070.84 : x
  2. Step 2: Convert to fraction form
    298,606.02/447,906.24 = 121,070.84/x
  3. Step 3: Cross multiply
    298,606.02x = 447,906.24 × 121,070.84
  4. Step 4: Simplify right side
    298,606.02x = 54,228,384,718.04
  5. Step 5: Solve for x
    x = 54,228,384,718.04/298,606.02
  6. Step 6: Final answer
    x = 181,605.13

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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.