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Finding the Fourth Proportional to 624,713.10, 936,972.45 and 175,389.90

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Solution

The fourth proportional to 624,713.10, 936,972.45 and 175,389.90 is: 263,057.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,713.10 : 936,972.45 = 175,389.90 : x
  2. Step 2: Convert to fraction form
    624,713.10/936,972.45 = 175,389.90/x
  3. Step 3: Cross multiply
    624,713.10x = 936,972.45 × 175,389.90
  4. Step 4: Simplify right side
    624,713.10x = 164,335,504,308.26
  5. Step 5: Solve for x
    x = 164,335,504,308.26/624,713.10
  6. Step 6: Final answer
    x = 263,057.56

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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.