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Finding the Fourth Proportional to 452,866.37, 624,860.21 and 251,658.05

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Solution

The fourth proportional to 452,866.37, 624,860.21 and 251,658.05 is: 347,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,866.37 : 624,860.21 = 251,658.05 : x
  2. Step 2: Convert to fraction form
    452,866.37/624,860.21 = 251,658.05/x
  3. Step 3: Cross multiply
    452,866.37x = 624,860.21 × 251,658.05
  4. Step 4: Simplify right side
    452,866.37x = 157,251,100,712.90
  5. Step 5: Solve for x
    x = 157,251,100,712.90/452,866.37
  6. Step 6: Final answer
    x = 347,235.10

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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.