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Finding the Fourth Proportional to 458,368.48, 632,538.66 and 254,407.48

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Solution

The fourth proportional to 458,368.48, 632,538.66 and 254,407.48 is: 351,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,368.48 : 632,538.66 = 254,407.48 : x
  2. Step 2: Convert to fraction form
    458,368.48/632,538.66 = 254,407.48/x
  3. Step 3: Cross multiply
    458,368.48x = 632,538.66 × 254,407.48
  4. Step 4: Simplify right side
    458,368.48x = 160,922,566,493.18
  5. Step 5: Solve for x
    x = 160,922,566,493.18/458,368.48
  6. Step 6: Final answer
    x = 351,076.86

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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.