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Finding the Fourth Proportional to 264,000.30, 394,848.45 and 236,121.90

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Solution

The fourth proportional to 264,000.30, 394,848.45 and 236,121.90 is: 353,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,000.30 : 394,848.45 = 236,121.90 : x
  2. Step 2: Convert to fraction form
    264,000.30/394,848.45 = 236,121.90/x
  3. Step 3: Cross multiply
    264,000.30x = 394,848.45 × 236,121.90
  4. Step 4: Simplify right side
    264,000.30x = 93,232,366,226.06
  5. Step 5: Solve for x
    x = 93,232,366,226.06/264,000.30
  6. Step 6: Final answer
    x = 353,152.50

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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.