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Finding the Fourth Proportional to 452,757.16, 624,768.27 and 261,782.87

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Solution

The fourth proportional to 452,757.16, 624,768.27 and 261,782.87 is: 361,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,757.16 : 624,768.27 = 261,782.87 : x
  2. Step 2: Convert to fraction form
    452,757.16/624,768.27 = 261,782.87/x
  3. Step 3: Cross multiply
    452,757.16x = 624,768.27 × 261,782.87
  4. Step 4: Simplify right side
    452,757.16x = 163,553,630,805.54
  5. Step 5: Solve for x
    x = 163,553,630,805.54/452,757.16
  6. Step 6: Final answer
    x = 361,239.20

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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.