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Finding the Fourth Proportional to 594,406.05, 820,280.62 and 322,473.87

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Solution

The fourth proportional to 594,406.05, 820,280.62 and 322,473.87 is: 445,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,406.05 : 820,280.62 = 322,473.87 : x
  2. Step 2: Convert to fraction form
    594,406.05/820,280.62 = 322,473.87/x
  3. Step 3: Cross multiply
    594,406.05x = 820,280.62 × 322,473.87
  4. Step 4: Simplify right side
    594,406.05x = 264,519,066,017.40
  5. Step 5: Solve for x
    x = 264,519,066,017.40/594,406.05
  6. Step 6: Final answer
    x = 445,014.09

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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.