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Finding the Fourth Proportional to 365,664.12, 548,274.90 and 239,151.96

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Solution

The fourth proportional to 365,664.12, 548,274.90 and 239,151.96 is: 358,583.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,664.12 : 548,274.90 = 239,151.96 : x
  2. Step 2: Convert to fraction form
    365,664.12/548,274.90 = 239,151.96/x
  3. Step 3: Cross multiply
    365,664.12x = 548,274.90 × 239,151.96
  4. Step 4: Simplify right side
    365,664.12x = 131,121,016,953.80
  5. Step 5: Solve for x
    x = 131,121,016,953.80/365,664.12
  6. Step 6: Final answer
    x = 358,583.22

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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.