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Finding the Fourth Proportional to 595,012.94, 821,002.38 and 353,371.31

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Solution

The fourth proportional to 595,012.94, 821,002.38 and 353,371.31 is: 487,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,012.94 : 821,002.38 = 353,371.31 : x
  2. Step 2: Convert to fraction form
    595,012.94/821,002.38 = 353,371.31/x
  3. Step 3: Cross multiply
    595,012.94x = 821,002.38 × 353,371.31
  4. Step 4: Simplify right side
    595,012.94x = 290,118,686,170.04
  5. Step 5: Solve for x
    x = 290,118,686,170.04/595,012.94
  6. Step 6: Final answer
    x = 487,583.83

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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.