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Finding the Fourth Proportional to 672,326.52, 927,810.74 and 366,402.98

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Solution

The fourth proportional to 672,326.52, 927,810.74 and 366,402.98 is: 505,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,326.52 : 927,810.74 = 366,402.98 : x
  2. Step 2: Convert to fraction form
    672,326.52/927,810.74 = 366,402.98/x
  3. Step 3: Cross multiply
    672,326.52x = 927,810.74 × 366,402.98
  4. Step 4: Simplify right side
    672,326.52x = 339,952,620,012.01
  5. Step 5: Solve for x
    x = 339,952,620,012.01/672,326.52
  6. Step 6: Final answer
    x = 505,636.19

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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.