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Finding the Fourth Proportional to 599,995.72, 828,202.44 and 345,448.36

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Solution

The fourth proportional to 599,995.72, 828,202.44 and 345,448.36 is: 476,838.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,995.72 : 828,202.44 = 345,448.36 : x
  2. Step 2: Convert to fraction form
    599,995.72/828,202.44 = 345,448.36/x
  3. Step 3: Cross multiply
    599,995.72x = 828,202.44 × 345,448.36
  4. Step 4: Simplify right side
    599,995.72x = 286,101,174,646.00
  5. Step 5: Solve for x
    x = 286,101,174,646.00/599,995.72
  6. Step 6: Final answer
    x = 476,838.69

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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.