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Finding the Fourth Proportional to 965,351.12, 1,332,164.16 and 535,622

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Solution

The fourth proportional to 965,351.12, 1,332,164.16 and 535,622 is: 739,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,351.12 : 1,332,164.16 = 535,622 : x
  2. Step 2: Convert to fraction form
    965,351.12/1,332,164.16 = 535,622/x
  3. Step 3: Cross multiply
    965,351.12x = 1,332,164.16 × 535,622
  4. Step 4: Simplify right side
    965,351.12x = 713,536,431,707.52
  5. Step 5: Solve for x
    x = 713,536,431,707.52/965,351.12
  6. Step 6: Final answer
    x = 739,147.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.