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Finding the Fourth Proportional to 458,567.79, 632,824.77 and 254,619.09

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Solution

The fourth proportional to 458,567.79, 632,824.77 and 254,619.09 is: 351,375.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,567.79 : 632,824.77 = 254,619.09 : x
  2. Step 2: Convert to fraction form
    458,567.79/632,824.77 = 254,619.09/x
  3. Step 3: Cross multiply
    458,567.79x = 632,824.77 × 254,619.09
  4. Step 4: Simplify right side
    458,567.79x = 161,129,267,066.86
  5. Step 5: Solve for x
    x = 161,129,267,066.86/458,567.79
  6. Step 6: Final answer
    x = 351,375.02

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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.