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Finding the Fourth Proportional to 449,673.30, 674,598.51 and 134,123.22

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Solution

The fourth proportional to 449,673.30, 674,598.51 and 134,123.22 is: 201,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,673.30 : 674,598.51 = 134,123.22 : x
  2. Step 2: Convert to fraction form
    449,673.30/674,598.51 = 134,123.22/x
  3. Step 3: Cross multiply
    449,673.30x = 674,598.51 × 134,123.22
  4. Step 4: Simplify right side
    449,673.30x = 90,479,324,368.40
  5. Step 5: Solve for x
    x = 90,479,324,368.40/449,673.30
  6. Step 6: Final answer
    x = 201,211.24

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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.