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Finding the Fourth Proportional to 594,369.79, 820,230.30 and 339,726.44

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Solution

The fourth proportional to 594,369.79, 820,230.30 and 339,726.44 is: 468,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,369.79 : 820,230.30 = 339,726.44 : x
  2. Step 2: Convert to fraction form
    594,369.79/820,230.30 = 339,726.44/x
  3. Step 3: Cross multiply
    594,369.79x = 820,230.30 × 339,726.44
  4. Step 4: Simplify right side
    594,369.79x = 278,653,921,849.71
  5. Step 5: Solve for x
    x = 278,653,921,849.71/594,369.79
  6. Step 6: Final answer
    x = 468,822.49

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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.