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Finding the Fourth Proportional to 452,713.80, 624,708.47 and 261,739.50

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Solution

The fourth proportional to 452,713.80, 624,708.47 and 261,739.50 is: 361,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,713.80 : 624,708.47 = 261,739.50 : x
  2. Step 2: Convert to fraction form
    452,713.80/624,708.47 = 261,739.50/x
  3. Step 3: Cross multiply
    452,713.80x = 624,708.47 × 261,739.50
  4. Step 4: Simplify right side
    452,713.80x = 163,510,882,583.57
  5. Step 5: Solve for x
    x = 163,510,882,583.57/452,713.80
  6. Step 6: Final answer
    x = 361,179.36

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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.