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Finding the Fourth Proportional to 422,334.77, 633,710.33 and 197,710.43

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Solution

The fourth proportional to 422,334.77, 633,710.33 and 197,710.43 is: 296,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,334.77 : 633,710.33 = 197,710.43 : x
  2. Step 2: Convert to fraction form
    422,334.77/633,710.33 = 197,710.43/x
  3. Step 3: Cross multiply
    422,334.77x = 633,710.33 × 197,710.43
  4. Step 4: Simplify right side
    422,334.77x = 125,291,140,851.19
  5. Step 5: Solve for x
    x = 125,291,140,851.19/422,334.77
  6. Step 6: Final answer
    x = 296,663.10

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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.