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Finding the Fourth Proportional to 449,955.22, 675,264.44 and 213,296.98

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Solution

The fourth proportional to 449,955.22, 675,264.44 and 213,296.98 is: 320,102.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,955.22 : 675,264.44 = 213,296.98 : x
  2. Step 2: Convert to fraction form
    449,955.22/675,264.44 = 213,296.98/x
  3. Step 3: Cross multiply
    449,955.22x = 675,264.44 × 213,296.98
  4. Step 4: Simplify right side
    449,955.22x = 144,031,864,686.91
  5. Step 5: Solve for x
    x = 144,031,864,686.91/449,955.22
  6. Step 6: Final answer
    x = 320,102.66

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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.