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Finding the Fourth Proportional to 402,484.52, 603,747.45 and 102,967.68

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Solution

The fourth proportional to 402,484.52, 603,747.45 and 102,967.68 is: 154,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,484.52 : 603,747.45 = 102,967.68 : x
  2. Step 2: Convert to fraction form
    402,484.52/603,747.45 = 102,967.68/x
  3. Step 3: Cross multiply
    402,484.52x = 603,747.45 × 102,967.68
  4. Step 4: Simplify right side
    402,484.52x = 62,166,474,232.42
  5. Step 5: Solve for x
    x = 62,166,474,232.42/402,484.52
  6. Step 6: Final answer
    x = 154,456.81

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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.