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Finding the Fourth Proportional to 303,543.79, 418,945.25 and 181,044.02

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Solution

The fourth proportional to 303,543.79, 418,945.25 and 181,044.02 is: 249,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,543.79 : 418,945.25 = 181,044.02 : x
  2. Step 2: Convert to fraction form
    303,543.79/418,945.25 = 181,044.02/x
  3. Step 3: Cross multiply
    303,543.79x = 418,945.25 × 181,044.02
  4. Step 4: Simplify right side
    303,543.79x = 75,847,532,219.91
  5. Step 5: Solve for x
    x = 75,847,532,219.91/303,543.79
  6. Step 6: Final answer
    x = 249,873.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.