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Finding the Fourth Proportional to 269,542.60, 404,313.90 and 248,547.40

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Solution

The fourth proportional to 269,542.60, 404,313.90 and 248,547.40 is: 372,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,542.60 : 404,313.90 = 248,547.40 : x
  2. Step 2: Convert to fraction form
    269,542.60/404,313.90 = 248,547.40/x
  3. Step 3: Cross multiply
    269,542.60x = 404,313.90 × 248,547.40
  4. Step 4: Simplify right side
    269,542.60x = 100,491,168,628.86
  5. Step 5: Solve for x
    x = 100,491,168,628.86/269,542.60
  6. Step 6: Final answer
    x = 372,821.10

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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.