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Finding the Fourth Proportional to 362,807.60, 544,211.40 and 262,497.20

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Solution

The fourth proportional to 362,807.60, 544,211.40 and 262,497.20 is: 393,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,807.60 : 544,211.40 = 262,497.20 : x
  2. Step 2: Convert to fraction form
    362,807.60/544,211.40 = 262,497.20/x
  3. Step 3: Cross multiply
    362,807.60x = 544,211.40 × 262,497.20
  4. Step 4: Simplify right side
    362,807.60x = 142,853,968,708.08
  5. Step 5: Solve for x
    x = 142,853,968,708.08/362,807.60
  6. Step 6: Final answer
    x = 393,745.80

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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.