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Finding the Fourth Proportional to 299,308.80, 448,963.20 and 174,892.80

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Solution

The fourth proportional to 299,308.80, 448,963.20 and 174,892.80 is: 262,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,308.80 : 448,963.20 = 174,892.80 : x
  2. Step 2: Convert to fraction form
    299,308.80/448,963.20 = 174,892.80/x
  3. Step 3: Cross multiply
    299,308.80x = 448,963.20 × 174,892.80
  4. Step 4: Simplify right side
    299,308.80x = 78,520,431,144.96
  5. Step 5: Solve for x
    x = 78,520,431,144.96/299,308.80
  6. Step 6: Final answer
    x = 262,339.20

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1.5x scale

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.