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Finding the Fourth Proportional to 624,772.90, 937,195.66 and 175,528.78

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Solution

The fourth proportional to 624,772.90, 937,195.66 and 175,528.78 is: 263,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,772.90 : 937,195.66 = 175,528.78 : x
  2. Step 2: Convert to fraction form
    624,772.90/937,195.66 = 175,528.78/x
  3. Step 3: Cross multiply
    624,772.90x = 937,195.66 × 175,528.78
  4. Step 4: Simplify right side
    624,772.90x = 164,504,810,821.10
  5. Step 5: Solve for x
    x = 164,504,810,821.10/624,772.90
  6. Step 6: Final answer
    x = 263,303.37

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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.