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Finding the Fourth Proportional to 484,105.30, 668,065.32 and 266,317.00

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Solution

The fourth proportional to 484,105.30, 668,065.32 and 266,317.00 is: 367,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,105.30 : 668,065.32 = 266,317.00 : x
  2. Step 2: Convert to fraction form
    484,105.30/668,065.32 = 266,317.00/x
  3. Step 3: Cross multiply
    484,105.30x = 668,065.32 × 266,317.00
  4. Step 4: Simplify right side
    484,105.30x = 177,917,150,156.28
  5. Step 5: Solve for x
    x = 177,917,150,156.28/484,105.30
  6. Step 6: Final answer
    x = 367,517.46

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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.