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Finding the Fourth Proportional to 622,030.20, 932,354.10 and 266,983.80

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Solution

The fourth proportional to 622,030.20, 932,354.10 and 266,983.80 is: 400,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,030.20 : 932,354.10 = 266,983.80 : x
  2. Step 2: Convert to fraction form
    622,030.20/932,354.10 = 266,983.80/x
  3. Step 3: Cross multiply
    622,030.20x = 932,354.10 × 266,983.80
  4. Step 4: Simplify right side
    622,030.20x = 248,923,440,563.58
  5. Step 5: Solve for x
    x = 248,923,440,563.58/622,030.20
  6. Step 6: Final answer
    x = 400,179.03

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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.