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Finding the Fourth Proportional to 452,713.55, 624,708.13 and 261,739.25

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Solution

The fourth proportional to 452,713.55, 624,708.13 and 261,739.25 is: 361,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,713.55 : 624,708.13 = 261,739.25 : x
  2. Step 2: Convert to fraction form
    452,713.55/624,708.13 = 261,739.25/x
  3. Step 3: Cross multiply
    452,713.55x = 624,708.13 × 261,739.25
  4. Step 4: Simplify right side
    452,713.55x = 163,510,637,415.10
  5. Step 5: Solve for x
    x = 163,510,637,415.10/452,713.55
  6. Step 6: Final answer
    x = 361,179.02

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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.