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Finding the Fourth Proportional to 449,281.64, 620,145.96 and 277,252.24

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Solution

The fourth proportional to 449,281.64, 620,145.96 and 277,252.24 is: 382,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,281.64 : 620,145.96 = 277,252.24 : x
  2. Step 2: Convert to fraction form
    449,281.64/620,145.96 = 277,252.24/x
  3. Step 3: Cross multiply
    449,281.64x = 620,145.96 × 277,252.24
  4. Step 4: Simplify right side
    449,281.64x = 171,936,856,536.95
  5. Step 5: Solve for x
    x = 171,936,856,536.95/449,281.64
  6. Step 6: Final answer
    x = 382,692.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.