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Finding the Fourth Proportional to 333,866.88, 500,694.60 and 109,175.40

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Solution

The fourth proportional to 333,866.88, 500,694.60 and 109,175.40 is: 163,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,866.88 : 500,694.60 = 109,175.40 : x
  2. Step 2: Convert to fraction form
    333,866.88/500,694.60 = 109,175.40/x
  3. Step 3: Cross multiply
    333,866.88x = 500,694.60 × 109,175.40
  4. Step 4: Simplify right side
    333,866.88x = 54,663,533,232.84
  5. Step 5: Solve for x
    x = 54,663,533,232.84/333,866.88
  6. Step 6: Final answer
    x = 163,728.53

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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.