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Finding the Fourth Proportional to 333,656.85, 500,485.14 and 133,977.17

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Solution

The fourth proportional to 333,656.85, 500,485.14 and 133,977.17 is: 200,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,656.85 : 500,485.14 = 133,977.17 : x
  2. Step 2: Convert to fraction form
    333,656.85/500,485.14 = 133,977.17/x
  3. Step 3: Cross multiply
    333,656.85x = 500,485.14 × 133,977.17
  4. Step 4: Simplify right side
    333,656.85x = 67,053,582,684.25
  5. Step 5: Solve for x
    x = 67,053,582,684.25/333,656.85
  6. Step 6: Final answer
    x = 200,965.70

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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.