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Finding the Fourth Proportional to 581,080.47, 871,121.51 and 201,951.95

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Solution

The fourth proportional to 581,080.47, 871,121.51 and 201,951.95 is: 302,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,080.47 : 871,121.51 = 201,951.95 : x
  2. Step 2: Convert to fraction form
    581,080.47/871,121.51 = 201,951.95/x
  3. Step 3: Cross multiply
    581,080.47x = 871,121.51 × 201,951.95
  4. Step 4: Simplify right side
    581,080.47x = 175,924,682,266.08
  5. Step 5: Solve for x
    x = 175,924,682,266.08/581,080.47
  6. Step 6: Final answer
    x = 302,754.42

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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.