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Finding the Fourth Proportional to 458,580.48, 632,837.76 and 254,630.40

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Solution

The fourth proportional to 458,580.48, 632,837.76 and 254,630.40 is: 351,388.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,580.48 : 632,837.76 = 254,630.40 : x
  2. Step 2: Convert to fraction form
    458,580.48/632,837.76 = 254,630.40/x
  3. Step 3: Cross multiply
    458,580.48x = 632,837.76 × 254,630.40
  4. Step 4: Simplify right side
    458,580.48x = 161,139,731,963.90
  5. Step 5: Solve for x
    x = 161,139,731,963.90/458,580.48
  6. Step 6: Final answer
    x = 351,388.12

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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.