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Finding the Fourth Proportional to 624,243.42, 936,359.19 and 197,778.06

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Solution

The fourth proportional to 624,243.42, 936,359.19 and 197,778.06 is: 296,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,243.42 : 936,359.19 = 197,778.06 : x
  2. Step 2: Convert to fraction form
    624,243.42/936,359.19 = 197,778.06/x
  3. Step 3: Cross multiply
    624,243.42x = 936,359.19 × 197,778.06
  4. Step 4: Simplify right side
    624,243.42x = 185,191,304,061.37
  5. Step 5: Solve for x
    x = 185,191,304,061.37/624,243.42
  6. Step 6: Final answer
    x = 296,665.21

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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.