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Finding the Fourth Proportional to 594,399.69, 820,589.81 and 458,135.01

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Solution

The fourth proportional to 594,399.69, 820,589.81 and 458,135.01 is: 632,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,399.69 : 820,589.81 = 458,135.01 : x
  2. Step 2: Convert to fraction form
    594,399.69/820,589.81 = 458,135.01/x
  3. Step 3: Cross multiply
    594,399.69x = 820,589.81 × 458,135.01
  4. Step 4: Simplify right side
    594,399.69x = 375,940,918,519.57
  5. Step 5: Solve for x
    x = 375,940,918,519.57/594,399.69
  6. Step 6: Final answer
    x = 632,471.59

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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.