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Finding the Fourth Proportional to 363,847.80, 546,095.70 and 213,900.60

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Solution

The fourth proportional to 363,847.80, 546,095.70 and 213,900.60 is: 321,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,847.80 : 546,095.70 = 213,900.60 : x
  2. Step 2: Convert to fraction form
    363,847.80/546,095.70 = 213,900.60/x
  3. Step 3: Cross multiply
    363,847.80x = 546,095.70 × 213,900.60
  4. Step 4: Simplify right side
    363,847.80x = 116,810,197,887.42
  5. Step 5: Solve for x
    x = 116,810,197,887.42/363,847.80
  6. Step 6: Final answer
    x = 321,041.37

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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.