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Finding the Fourth Proportional to 449,577.66, 669,596.22 and 447,404.82

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Solution

The fourth proportional to 449,577.66, 669,596.22 and 447,404.82 is: 666,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,577.66 : 669,596.22 = 447,404.82 : x
  2. Step 2: Convert to fraction form
    449,577.66/669,596.22 = 447,404.82/x
  3. Step 3: Cross multiply
    449,577.66x = 669,596.22 × 447,404.82
  4. Step 4: Simplify right side
    449,577.66x = 299,580,576,281.78
  5. Step 5: Solve for x
    x = 299,580,576,281.78/449,577.66
  6. Step 6: Final answer
    x = 666,360.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.