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Finding the Fourth Proportional to 302,596.41, 452,630.46 and 212,632.79

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Solution

The fourth proportional to 302,596.41, 452,630.46 and 212,632.79 is: 318,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,596.41 : 452,630.46 = 212,632.79 : x
  2. Step 2: Convert to fraction form
    302,596.41/452,630.46 = 212,632.79/x
  3. Step 3: Cross multiply
    302,596.41x = 452,630.46 × 212,632.79
  4. Step 4: Simplify right side
    302,596.41x = 96,244,077,548.78
  5. Step 5: Solve for x
    x = 96,244,077,548.78/302,596.41
  6. Step 6: Final answer
    x = 318,060.87

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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.