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Finding the Fourth Proportional to 269,968.80, 404,953.20 and 266,032.20

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Solution

The fourth proportional to 269,968.80, 404,953.20 and 266,032.20 is: 399,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,968.80 : 404,953.20 = 266,032.20 : x
  2. Step 2: Convert to fraction form
    269,968.80/404,953.20 = 266,032.20/x
  3. Step 3: Cross multiply
    269,968.80x = 404,953.20 × 266,032.20
  4. Step 4: Simplify right side
    269,968.80x = 107,730,590,693.04
  5. Step 5: Solve for x
    x = 107,730,590,693.04/269,968.80
  6. Step 6: Final answer
    x = 399,048.30

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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.