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Finding the Fourth Proportional to 299,624.20, 449,630.70 and 173,264.20

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Solution

The fourth proportional to 299,624.20, 449,630.70 and 173,264.20 is: 260,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,624.20 : 449,630.70 = 173,264.20 : x
  2. Step 2: Convert to fraction form
    299,624.20/449,630.70 = 173,264.20/x
  3. Step 3: Cross multiply
    299,624.20x = 449,630.70 × 173,264.20
  4. Step 4: Simplify right side
    299,624.20x = 77,904,903,530.94
  5. Step 5: Solve for x
    x = 77,904,903,530.94/299,624.20
  6. Step 6: Final answer
    x = 260,008.72

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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.