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Finding the Fourth Proportional to 672,332.72, 927,802.06 and 366,416.96

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Solution

The fourth proportional to 672,332.72, 927,802.06 and 366,416.96 is: 505,646.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,332.72 : 927,802.06 = 366,416.96 : x
  2. Step 2: Convert to fraction form
    672,332.72/927,802.06 = 366,416.96/x
  3. Step 3: Cross multiply
    672,332.72x = 927,802.06 × 366,416.96
  4. Step 4: Simplify right side
    672,332.72x = 339,962,410,306.94
  5. Step 5: Solve for x
    x = 339,962,410,306.94/672,332.72
  6. Step 6: Final answer
    x = 505,646.09

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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.