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Finding the Fourth Proportional to 362,803.60, 544,205.40 and 262,493.20

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Solution

The fourth proportional to 362,803.60, 544,205.40 and 262,493.20 is: 393,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,803.60 : 544,205.40 = 262,493.20 : x
  2. Step 2: Convert to fraction form
    362,803.60/544,205.40 = 262,493.20/x
  3. Step 3: Cross multiply
    362,803.60x = 544,205.40 × 262,493.20
  4. Step 4: Simplify right side
    362,803.60x = 142,850,216,903.28
  5. Step 5: Solve for x
    x = 142,850,216,903.28/362,803.60
  6. Step 6: Final answer
    x = 393,739.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.