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Finding the Fourth Proportional to 452,407.11, 624,273.98 and 261,481.11

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Solution

The fourth proportional to 452,407.11, 624,273.98 and 261,481.11 is: 360,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,407.11 : 624,273.98 = 261,481.11 : x
  2. Step 2: Convert to fraction form
    452,407.11/624,273.98 = 261,481.11/x
  3. Step 3: Cross multiply
    452,407.11x = 624,273.98 × 261,481.11
  4. Step 4: Simplify right side
    452,407.11x = 163,235,851,927.11
  5. Step 5: Solve for x
    x = 163,235,851,927.11/452,407.11
  6. Step 6: Final answer
    x = 360,816.28

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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.