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Finding the Fourth Proportional to 578,838.27, 798,542.37 and 349,267.52

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Solution

The fourth proportional to 578,838.27, 798,542.37 and 349,267.52 is: 481,835.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,838.27 : 798,542.37 = 349,267.52 : x
  2. Step 2: Convert to fraction form
    578,838.27/798,542.37 = 349,267.52/x
  3. Step 3: Cross multiply
    578,838.27x = 798,542.37 × 349,267.52
  4. Step 4: Simplify right side
    578,838.27x = 278,904,909,192.11
  5. Step 5: Solve for x
    x = 278,904,909,192.11/578,838.27
  6. Step 6: Final answer
    x = 481,835.64

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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.