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Finding the Fourth Proportional to 458,518.70, 632,795.82 and 254,609.30

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Solution

The fourth proportional to 458,518.70, 632,795.82 and 254,609.30 is: 351,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,518.70 : 632,795.82 = 254,609.30 : x
  2. Step 2: Convert to fraction form
    458,518.70/632,795.82 = 254,609.30/x
  3. Step 3: Cross multiply
    458,518.70x = 632,795.82 × 254,609.30
  4. Step 4: Simplify right side
    458,518.70x = 161,115,700,773.13
  5. Step 5: Solve for x
    x = 161,115,700,773.13/458,518.70
  6. Step 6: Final answer
    x = 351,383.05

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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.