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Finding the Fourth Proportional to 458,755.08, 633,060.48 and 254,819.16

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Solution

The fourth proportional to 458,755.08, 633,060.48 and 254,819.16 is: 351,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,755.08 : 633,060.48 = 254,819.16 : x
  2. Step 2: Convert to fraction form
    458,755.08/633,060.48 = 254,819.16/x
  3. Step 3: Cross multiply
    458,755.08x = 633,060.48 × 254,819.16
  4. Step 4: Simplify right side
    458,755.08x = 161,315,939,742.80
  5. Step 5: Solve for x
    x = 161,315,939,742.80/458,755.08
  6. Step 6: Final answer
    x = 351,638.48

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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.