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Finding the Fourth Proportional to 299,282.40, 448,923.60 and 246,138.30

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Solution

The fourth proportional to 299,282.40, 448,923.60 and 246,138.30 is: 369,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,282.40 : 448,923.60 = 246,138.30 : x
  2. Step 2: Convert to fraction form
    299,282.40/448,923.60 = 246,138.30/x
  3. Step 3: Cross multiply
    299,282.40x = 448,923.60 × 246,138.30
  4. Step 4: Simplify right side
    299,282.40x = 110,497,291,733.88
  5. Step 5: Solve for x
    x = 110,497,291,733.88/299,282.40
  6. Step 6: Final answer
    x = 369,207.45

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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.