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Finding the Fourth Proportional to 594,487.29, 820,366.50 and 339,854.88

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Solution

The fourth proportional to 594,487.29, 820,366.50 and 339,854.88 is: 468,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,487.29 : 820,366.50 = 339,854.88 : x
  2. Step 2: Convert to fraction form
    594,487.29/820,366.50 = 339,854.88/x
  3. Step 3: Cross multiply
    594,487.29x = 820,366.50 × 339,854.88
  4. Step 4: Simplify right side
    594,487.29x = 278,805,558,413.52
  5. Step 5: Solve for x
    x = 278,805,558,413.52/594,487.29
  6. Step 6: Final answer
    x = 468,984.89

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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.