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Finding the Fourth Proportional to 365,599.80, 548,723.70 and 215,652.60

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Solution

The fourth proportional to 365,599.80, 548,723.70 and 215,652.60 is: 323,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,599.80 : 548,723.70 = 215,652.60 : x
  2. Step 2: Convert to fraction form
    365,599.80/548,723.70 = 215,652.60/x
  3. Step 3: Cross multiply
    365,599.80x = 548,723.70 × 215,652.60
  4. Step 4: Simplify right side
    365,599.80x = 118,333,692,586.62
  5. Step 5: Solve for x
    x = 118,333,692,586.62/365,599.80
  6. Step 6: Final answer
    x = 323,670.01

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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.