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Finding the Fourth Proportional to 453,671.22, 625,747.41 and 298,573.11

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Solution

The fourth proportional to 453,671.22, 625,747.41 and 298,573.11 is: 411,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,671.22 : 625,747.41 = 298,573.11 : x
  2. Step 2: Convert to fraction form
    453,671.22/625,747.41 = 298,573.11/x
  3. Step 3: Cross multiply
    453,671.22x = 625,747.41 × 298,573.11
  4. Step 4: Simplify right side
    453,671.22x = 186,831,348,785.28
  5. Step 5: Solve for x
    x = 186,831,348,785.28/453,671.22
  6. Step 6: Final answer
    x = 411,821.03

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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.