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Finding the Fourth Proportional to 299,160.36, 448,463.52 and 156,976.20

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Solution

The fourth proportional to 299,160.36, 448,463.52 and 156,976.20 is: 235,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,160.36 : 448,463.52 = 156,976.20 : x
  2. Step 2: Convert to fraction form
    299,160.36/448,463.52 = 156,976.20/x
  3. Step 3: Cross multiply
    299,160.36x = 448,463.52 × 156,976.20
  4. Step 4: Simplify right side
    299,160.36x = 70,398,099,208.22
  5. Step 5: Solve for x
    x = 70,398,099,208.22/299,160.36
  6. Step 6: Final answer
    x = 235,318.94

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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.