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Finding the Fourth Proportional to 672,323.02, 927,805.91 and 366,399.47

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Solution

The fourth proportional to 672,323.02, 927,805.91 and 366,399.47 is: 505,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,323.02 : 927,805.91 = 366,399.47 : x
  2. Step 2: Convert to fraction form
    672,323.02/927,805.91 = 366,399.47/x
  3. Step 3: Cross multiply
    672,323.02x = 927,805.91 × 366,399.47
  4. Step 4: Simplify right side
    672,323.02x = 339,947,593,686.87
  5. Step 5: Solve for x
    x = 339,947,593,686.87/672,323.02
  6. Step 6: Final answer
    x = 505,631.35

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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.