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Finding the Fourth Proportional to 594,362.48, 820,276.80 and 339,664.28

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Solution

The fourth proportional to 594,362.48, 820,276.80 and 339,664.28 is: 468,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,362.48 : 820,276.80 = 339,664.28 : x
  2. Step 2: Convert to fraction form
    594,362.48/820,276.80 = 339,664.28/x
  3. Step 3: Cross multiply
    594,362.48x = 820,276.80 × 339,664.28
  4. Step 4: Simplify right side
    594,362.48x = 278,618,728,672.70
  5. Step 5: Solve for x
    x = 278,618,728,672.70/594,362.48
  6. Step 6: Final answer
    x = 468,769.04

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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.