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Finding the Fourth Proportional to 299,444.10, 449,166.15 and 277,792.80

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Solution

The fourth proportional to 299,444.10, 449,166.15 and 277,792.80 is: 416,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,444.10 : 449,166.15 = 277,792.80 : x
  2. Step 2: Convert to fraction form
    299,444.10/449,166.15 = 277,792.80/x
  3. Step 3: Cross multiply
    299,444.10x = 449,166.15 × 277,792.80
  4. Step 4: Simplify right side
    299,444.10x = 124,775,122,473.72
  5. Step 5: Solve for x
    x = 124,775,122,473.72/299,444.10
  6. Step 6: Final answer
    x = 416,689.20

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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.