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Finding the Fourth Proportional to 594,685.20, 820,665.53 and 322,753.12

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Solution

The fourth proportional to 594,685.20, 820,665.53 and 322,753.12 is: 445,399.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,685.20 : 820,665.53 = 322,753.12 : x
  2. Step 2: Convert to fraction form
    594,685.20/820,665.53 = 322,753.12/x
  3. Step 3: Cross multiply
    594,685.20x = 820,665.53 × 322,753.12
  4. Step 4: Simplify right side
    594,685.20x = 264,872,360,283.95
  5. Step 5: Solve for x
    x = 264,872,360,283.95/594,685.20
  6. Step 6: Final answer
    x = 445,399.28

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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.