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Finding the Fourth Proportional to 667,711.04, 1,001,603.04 and 169,079.36

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Solution

The fourth proportional to 667,711.04, 1,001,603.04 and 169,079.36 is: 253,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,711.04 : 1,001,603.04 = 169,079.36 : x
  2. Step 2: Convert to fraction form
    667,711.04/1,001,603.04 = 169,079.36/x
  3. Step 3: Cross multiply
    667,711.04x = 1,001,603.04 × 169,079.36
  4. Step 4: Simplify right side
    667,711.04x = 169,350,400,977.25
  5. Step 5: Solve for x
    x = 169,350,400,977.25/667,711.04
  6. Step 6: Final answer
    x = 253,628.28

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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.