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Finding the Fourth Proportional to 299,293.40, 448,940.10 and 246,149.30

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Solution

The fourth proportional to 299,293.40, 448,940.10 and 246,149.30 is: 369,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,293.40 : 448,940.10 = 246,149.30 : x
  2. Step 2: Convert to fraction form
    299,293.40/448,940.10 = 246,149.30/x
  3. Step 3: Cross multiply
    299,293.40x = 448,940.10 × 246,149.30
  4. Step 4: Simplify right side
    299,293.40x = 110,506,291,356.93
  5. Step 5: Solve for x
    x = 110,506,291,356.93/299,293.40
  6. Step 6: Final answer
    x = 369,223.95

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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.