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Finding the Fourth Proportional to 645,889.38, 968,900.13 and 246,866.01

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Solution

The fourth proportional to 645,889.38, 968,900.13 and 246,866.01 is: 370,324.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,889.38 : 968,900.13 = 246,866.01 : x
  2. Step 2: Convert to fraction form
    645,889.38/968,900.13 = 246,866.01/x
  3. Step 3: Cross multiply
    645,889.38x = 968,900.13 × 246,866.01
  4. Step 4: Simplify right side
    645,889.38x = 239,188,509,181.58
  5. Step 5: Solve for x
    x = 239,188,509,181.58/645,889.38
  6. Step 6: Final answer
    x = 370,324.26

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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.