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Finding the Fourth Proportional to 405,675.33, 608,811.98 and 192,443.91

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Solution

The fourth proportional to 405,675.33, 608,811.98 and 192,443.91 is: 288,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,675.33 : 608,811.98 = 192,443.91 : x
  2. Step 2: Convert to fraction form
    405,675.33/608,811.98 = 192,443.91/x
  3. Step 3: Cross multiply
    405,675.33x = 608,811.98 × 192,443.91
  4. Step 4: Simplify right side
    405,675.33x = 117,162,157,886.04
  5. Step 5: Solve for x
    x = 117,162,157,886.04/405,675.33
  6. Step 6: Final answer
    x = 288,807.70

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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.