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Finding the Fourth Proportional to 624,867, 937,106.10 and 225,455.46

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Solution

The fourth proportional to 624,867, 937,106.10 and 225,455.46 is: 338,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,867 : 937,106.10 = 225,455.46 : x
  2. Step 2: Convert to fraction form
    624,867/937,106.10 = 225,455.46/x
  3. Step 3: Cross multiply
    624,867x = 937,106.10 × 225,455.46
  4. Step 4: Simplify right side
    624,867x = 211,275,686,844.31
  5. Step 5: Solve for x
    x = 211,275,686,844.31/624,867
  6. Step 6: Final answer
    x = 338,113.05

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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.