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Finding the Fourth Proportional to 447,506.66, 671,259.17 and 132,185.00

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Solution

The fourth proportional to 447,506.66, 671,259.17 and 132,185.00 is: 198,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,506.66 : 671,259.17 = 132,185.00 : x
  2. Step 2: Convert to fraction form
    447,506.66/671,259.17 = 132,185.00/x
  3. Step 3: Cross multiply
    447,506.66x = 671,259.17 × 132,185.00
  4. Step 4: Simplify right side
    447,506.66x = 88,730,389,369.23
  5. Step 5: Solve for x
    x = 88,730,389,369.23/447,506.66
  6. Step 6: Final answer
    x = 198,277.25

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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.