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Finding the Fourth Proportional to 452,872.48, 624,914.40 and 261,856.96

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Solution

The fourth proportional to 452,872.48, 624,914.40 and 261,856.96 is: 361,333.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,872.48 : 624,914.40 = 261,856.96 : x
  2. Step 2: Convert to fraction form
    452,872.48/624,914.40 = 261,856.96/x
  3. Step 3: Cross multiply
    452,872.48x = 624,914.40 × 261,856.96
  4. Step 4: Simplify right side
    452,872.48x = 163,638,185,044.22
  5. Step 5: Solve for x
    x = 163,638,185,044.22/452,872.48
  6. Step 6: Final answer
    x = 361,333.91

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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.