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Finding the Fourth Proportional to 672,323.45, 927,779.31 and 366,393.29

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Solution

The fourth proportional to 672,323.45, 927,779.31 and 366,393.29 is: 505,608.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,323.45 : 927,779.31 = 366,393.29 : x
  2. Step 2: Convert to fraction form
    672,323.45/927,779.31 = 366,393.29/x
  3. Step 3: Cross multiply
    672,323.45x = 927,779.31 × 366,393.29
  4. Step 4: Simplify right side
    672,323.45x = 339,932,113,784.83
  5. Step 5: Solve for x
    x = 339,932,113,784.83/672,323.45
  6. Step 6: Final answer
    x = 505,608.00

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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.