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Finding the Fourth Proportional to 476,443.64, 657,493.52 and 261,597.62

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Solution

The fourth proportional to 476,443.64, 657,493.52 and 261,597.62 is: 361,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,443.64 : 657,493.52 = 261,597.62 : x
  2. Step 2: Convert to fraction form
    476,443.64/657,493.52 = 261,597.62/x
  3. Step 3: Cross multiply
    476,443.64x = 657,493.52 × 261,597.62
  4. Step 4: Simplify right side
    476,443.64x = 171,998,735,401.97
  5. Step 5: Solve for x
    x = 171,998,735,401.97/476,443.64
  6. Step 6: Final answer
    x = 361,005.42

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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.