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Finding the Fourth Proportional to 439,515.82, 659,273.74 and 202,729.34

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Solution

The fourth proportional to 439,515.82, 659,273.74 and 202,729.34 is: 304,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,515.82 : 659,273.74 = 202,729.34 : x
  2. Step 2: Convert to fraction form
    439,515.82/659,273.74 = 202,729.34/x
  3. Step 3: Cross multiply
    439,515.82x = 659,273.74 × 202,729.34
  4. Step 4: Simplify right side
    439,515.82x = 133,654,130,189.53
  5. Step 5: Solve for x
    x = 133,654,130,189.53/439,515.82
  6. Step 6: Final answer
    x = 304,094.01

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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.