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Finding the Fourth Proportional to 637,991.94, 956,987.93 and 188,677.83

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Solution

The fourth proportional to 637,991.94, 956,987.93 and 188,677.83 is: 283,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,991.94 : 956,987.93 = 188,677.83 : x
  2. Step 2: Convert to fraction form
    637,991.94/956,987.93 = 188,677.83/x
  3. Step 3: Cross multiply
    637,991.94x = 956,987.93 × 188,677.83
  4. Step 4: Simplify right side
    637,991.94x = 180,562,405,325.99
  5. Step 5: Solve for x
    x = 180,562,405,325.99/637,991.94
  6. Step 6: Final answer
    x = 283,016.75

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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.