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Finding the Fourth Proportional to 458,609.93, 632,860.54 and 254,673.87

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Solution

The fourth proportional to 458,609.93, 632,860.54 and 254,673.87 is: 351,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,609.93 : 632,860.54 = 254,673.87 : x
  2. Step 2: Convert to fraction form
    458,609.93/632,860.54 = 254,673.87/x
  3. Step 3: Cross multiply
    458,609.93x = 632,860.54 × 254,673.87
  4. Step 4: Simplify right side
    458,609.93x = 161,173,044,874.56
  5. Step 5: Solve for x
    x = 161,173,044,874.56/458,609.93
  6. Step 6: Final answer
    x = 351,438.20

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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.