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Finding the Fourth Proportional to 458,683.66, 632,991.93 and 254,753.47

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Solution

The fourth proportional to 458,683.66, 632,991.93 and 254,753.47 is: 351,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,683.66 : 632,991.93 = 254,753.47 : x
  2. Step 2: Convert to fraction form
    458,683.66/632,991.93 = 254,753.47/x
  3. Step 3: Cross multiply
    458,683.66x = 632,991.93 × 254,753.47
  4. Step 4: Simplify right side
    458,683.66x = 161,256,887,484.54
  5. Step 5: Solve for x
    x = 161,256,887,484.54/458,683.66
  6. Step 6: Final answer
    x = 351,564.49

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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.