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Finding the Fourth Proportional to 451,648.22, 623,229.62 and 260,723.12

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Solution

The fourth proportional to 451,648.22, 623,229.62 and 260,723.12 is: 359,771.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,648.22 : 623,229.62 = 260,723.12 : x
  2. Step 2: Convert to fraction form
    451,648.22/623,229.62 = 260,723.12/x
  3. Step 3: Cross multiply
    451,648.22x = 623,229.62 × 260,723.12
  4. Step 4: Simplify right side
    451,648.22x = 162,490,371,002.81
  5. Step 5: Solve for x
    x = 162,490,371,002.81/451,648.22
  6. Step 6: Final answer
    x = 359,771.97

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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.