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Finding the Fourth Proportional to 479,393.34, 719,364.77 and 195,031.41

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Solution

The fourth proportional to 479,393.34, 719,364.77 and 195,031.41 is: 292,658.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,393.34 : 719,364.77 = 195,031.41 : x
  2. Step 2: Convert to fraction form
    479,393.34/719,364.77 = 195,031.41/x
  3. Step 3: Cross multiply
    479,393.34x = 719,364.77 × 195,031.41
  4. Step 4: Simplify right side
    479,393.34x = 140,298,724,422.27
  5. Step 5: Solve for x
    x = 140,298,724,422.27/479,393.34
  6. Step 6: Final answer
    x = 292,658.89

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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.