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Finding the Fourth Proportional to 422,488.04, 633,732.53 and 106,944.94

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Solution

The fourth proportional to 422,488.04, 633,732.53 and 106,944.94 is: 160,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,488.04 : 633,732.53 = 106,944.94 : x
  2. Step 2: Convert to fraction form
    422,488.04/633,732.53 = 106,944.94/x
  3. Step 3: Cross multiply
    422,488.04x = 633,732.53 × 106,944.94
  4. Step 4: Simplify right side
    422,488.04x = 67,774,487,654.34
  5. Step 5: Solve for x
    x = 67,774,487,654.34/422,488.04
  6. Step 6: Final answer
    x = 160,417.53

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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.