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Finding the Fourth Proportional to 536,584.60, 804,585.30 and 181,415.80

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Solution

The fourth proportional to 536,584.60, 804,585.30 and 181,415.80 is: 272,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,584.60 : 804,585.30 = 181,415.80 : x
  2. Step 2: Convert to fraction form
    536,584.60/804,585.30 = 181,415.80/x
  3. Step 3: Cross multiply
    536,584.60x = 804,585.30 × 181,415.80
  4. Step 4: Simplify right side
    536,584.60x = 145,964,485,867.74
  5. Step 5: Solve for x
    x = 145,964,485,867.74/536,584.60
  6. Step 6: Final answer
    x = 272,025.11

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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.