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Finding the Fourth Proportional to 804,355.02, 1,207,041 and 449,601.74

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Solution

The fourth proportional to 804,355.02, 1,207,041 and 449,601.74 is: 674,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,355.02 : 1,207,041 = 449,601.74 : x
  2. Step 2: Convert to fraction form
    804,355.02/1,207,041 = 449,601.74/x
  3. Step 3: Cross multiply
    804,355.02x = 1,207,041 × 449,601.74
  4. Step 4: Simplify right side
    804,355.02x = 542,687,733,851.34
  5. Step 5: Solve for x
    x = 542,687,733,851.34/804,355.02
  6. Step 6: Final answer
    x = 674,686.82

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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.