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Finding the Fourth Proportional to 449,340.22, 620,094.43 and 245,397.14

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Solution

The fourth proportional to 449,340.22, 620,094.43 and 245,397.14 is: 338,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,340.22 : 620,094.43 = 245,397.14 : x
  2. Step 2: Convert to fraction form
    449,340.22/620,094.43 = 245,397.14/x
  3. Step 3: Cross multiply
    449,340.22x = 620,094.43 × 245,397.14
  4. Step 4: Simplify right side
    449,340.22x = 152,169,395,937.97
  5. Step 5: Solve for x
    x = 152,169,395,937.97/449,340.22
  6. Step 6: Final answer
    x = 338,650.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.