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Finding the Fourth Proportional to 672,230.79, 927,670.05 and 366,320.52

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Solution

The fourth proportional to 672,230.79, 927,670.05 and 366,320.52 is: 505,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,230.79 : 927,670.05 = 366,320.52 : x
  2. Step 2: Convert to fraction form
    672,230.79/927,670.05 = 366,320.52/x
  3. Step 3: Cross multiply
    672,230.79x = 927,670.05 × 366,320.52
  4. Step 4: Simplify right side
    672,230.79x = 339,824,575,104.43
  5. Step 5: Solve for x
    x = 339,824,575,104.43/672,230.79
  6. Step 6: Final answer
    x = 505,517.72

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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.