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Finding the Fourth Proportional to 405,675.83, 608,812.73 and 192,444.41

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Solution

The fourth proportional to 405,675.83, 608,812.73 and 192,444.41 is: 288,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,675.83 : 608,812.73 = 192,444.41 : x
  2. Step 2: Convert to fraction form
    405,675.83/608,812.73 = 192,444.41/x
  3. Step 3: Cross multiply
    405,675.83x = 608,812.73 × 192,444.41
  4. Step 4: Simplify right side
    405,675.83x = 117,162,606,625.34
  5. Step 5: Solve for x
    x = 117,162,606,625.34/405,675.83
  6. Step 6: Final answer
    x = 288,808.45

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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.