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Finding the Fourth Proportional to 496,972.25, 745,529.62 and 159,900.87

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Solution

The fourth proportional to 496,972.25, 745,529.62 and 159,900.87 is: 239,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,972.25 : 745,529.62 = 159,900.87 : x
  2. Step 2: Convert to fraction form
    496,972.25/745,529.62 = 159,900.87/x
  3. Step 3: Cross multiply
    496,972.25x = 745,529.62 × 159,900.87
  4. Step 4: Simplify right side
    496,972.25x = 119,210,834,848.77
  5. Step 5: Solve for x
    x = 119,210,834,848.77/496,972.25
  6. Step 6: Final answer
    x = 239,874.23

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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.