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Finding the Fourth Proportional to 333,899.94, 500,872.80 and 134,220.48

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Solution

The fourth proportional to 333,899.94, 500,872.80 and 134,220.48 is: 201,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,899.94 : 500,872.80 = 134,220.48 : x
  2. Step 2: Convert to fraction form
    333,899.94/500,872.80 = 134,220.48/x
  3. Step 3: Cross multiply
    333,899.94x = 500,872.80 × 134,220.48
  4. Step 4: Simplify right side
    333,899.94x = 67,227,387,634.94
  5. Step 5: Solve for x
    x = 67,227,387,634.94/333,899.94
  6. Step 6: Final answer
    x = 201,339.92

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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.