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Finding the Fourth Proportional to 965,375.89, 1,448,133.09 and 255,395.50

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Solution

The fourth proportional to 965,375.89, 1,448,133.09 and 255,395.50 is: 383,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,375.89 : 1,448,133.09 = 255,395.50 : x
  2. Step 2: Convert to fraction form
    965,375.89/1,448,133.09 = 255,395.50/x
  3. Step 3: Cross multiply
    965,375.89x = 1,448,133.09 × 255,395.50
  4. Step 4: Simplify right side
    965,375.89x = 369,846,674,587.10
  5. Step 5: Solve for x
    x = 369,846,674,587.10/965,375.89
  6. Step 6: Final answer
    x = 383,111.57

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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.