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Finding the Fourth Proportional to 672,223.46, 927,656.42 and 366,301.98

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Solution

The fourth proportional to 672,223.46, 927,656.42 and 366,301.98 is: 505,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,223.46 : 927,656.42 = 366,301.98 : x
  2. Step 2: Convert to fraction form
    672,223.46/927,656.42 = 366,301.98/x
  3. Step 3: Cross multiply
    672,223.46x = 927,656.42 × 366,301.98
  4. Step 4: Simplify right side
    672,223.46x = 339,802,381,574.20
  5. Step 5: Solve for x
    x = 339,802,381,574.20/672,223.46
  6. Step 6: Final answer
    x = 505,490.22

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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.