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Finding the Fourth Proportional to 452,577.78, 624,669.57 and 261,563.58

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Solution

The fourth proportional to 452,577.78, 624,669.57 and 261,563.58 is: 361,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,577.78 : 624,669.57 = 261,563.58 : x
  2. Step 2: Convert to fraction form
    452,577.78/624,669.57 = 261,563.58/x
  3. Step 3: Cross multiply
    452,577.78x = 624,669.57 × 261,563.58
  4. Step 4: Simplify right side
    452,577.78x = 163,390,809,046.26
  5. Step 5: Solve for x
    x = 163,390,809,046.26/452,577.78
  6. Step 6: Final answer
    x = 361,022.60

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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.