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Finding the Fourth Proportional to 452,630.88, 624,561.24 and 261,607.44

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Solution

The fourth proportional to 452,630.88, 624,561.24 and 261,607.44 is: 360,978.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,630.88 : 624,561.24 = 261,607.44 : x
  2. Step 2: Convert to fraction form
    452,630.88/624,561.24 = 261,607.44/x
  3. Step 3: Cross multiply
    452,630.88x = 624,561.24 × 261,607.44
  4. Step 4: Simplify right side
    452,630.88x = 163,389,867,119.63
  5. Step 5: Solve for x
    x = 163,389,867,119.63/452,630.88
  6. Step 6: Final answer
    x = 360,978.17

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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.