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Finding the Fourth Proportional to 365,870.44, 548,870.94 and 129,350.44

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Solution

The fourth proportional to 365,870.44, 548,870.94 and 129,350.44 is: 194,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,870.44 : 548,870.94 = 129,350.44 : x
  2. Step 2: Convert to fraction form
    365,870.44/548,870.94 = 129,350.44/x
  3. Step 3: Cross multiply
    365,870.44x = 548,870.94 × 129,350.44
  4. Step 4: Simplify right side
    365,870.44x = 70,996,697,592.21
  5. Step 5: Solve for x
    x = 70,996,697,592.21/365,870.44
  6. Step 6: Final answer
    x = 194,048.74

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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.