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Finding the Fourth Proportional to 449,628.42, 674,427.06 and 112,672.02

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Solution

The fourth proportional to 449,628.42, 674,427.06 and 112,672.02 is: 169,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,628.42 : 674,427.06 = 112,672.02 : x
  2. Step 2: Convert to fraction form
    449,628.42/674,427.06 = 112,672.02/x
  3. Step 3: Cross multiply
    449,628.42x = 674,427.06 × 112,672.02
  4. Step 4: Simplify right side
    449,628.42x = 75,989,059,192.86
  5. Step 5: Solve for x
    x = 75,989,059,192.86/449,628.42
  6. Step 6: Final answer
    x = 169,004.13

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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.