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Finding the Fourth Proportional to 595,014.44, 821,004.45 and 353,372.81

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Solution

The fourth proportional to 595,014.44, 821,004.45 and 353,372.81 is: 487,585.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,014.44 : 821,004.45 = 353,372.81 : x
  2. Step 2: Convert to fraction form
    595,014.44/821,004.45 = 353,372.81/x
  3. Step 3: Cross multiply
    595,014.44x = 821,004.45 × 353,372.81
  4. Step 4: Simplify right side
    595,014.44x = 290,120,645,413.98
  5. Step 5: Solve for x
    x = 290,120,645,413.98/595,014.44
  6. Step 6: Final answer
    x = 487,585.89

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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.