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Finding the Fourth Proportional to 594,539.97, 820,677.90 and 352,822.50

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Solution

The fourth proportional to 594,539.97, 820,677.90 and 352,822.50 is: 487,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,539.97 : 820,677.90 = 352,822.50 : x
  2. Step 2: Convert to fraction form
    594,539.97/820,677.90 = 352,822.50/x
  3. Step 3: Cross multiply
    594,539.97x = 820,677.90 × 352,822.50
  4. Step 4: Simplify right side
    594,539.97x = 289,553,628,372.75
  5. Step 5: Solve for x
    x = 289,553,628,372.75/594,539.97
  6. Step 6: Final answer
    x = 487,021.30

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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.