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Finding the Fourth Proportional to 438,853.79, 658,406.77 and 182,636.48

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Solution

The fourth proportional to 438,853.79, 658,406.77 and 182,636.48 is: 274,007.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,853.79 : 658,406.77 = 182,636.48 : x
  2. Step 2: Convert to fraction form
    438,853.79/658,406.77 = 182,636.48/x
  3. Step 3: Cross multiply
    438,853.79x = 658,406.77 × 182,636.48
  4. Step 4: Simplify right side
    438,853.79x = 120,249,094,880.97
  5. Step 5: Solve for x
    x = 120,249,094,880.97/438,853.79
  6. Step 6: Final answer
    x = 274,007.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.