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Finding the Fourth Proportional to 587,399.95, 810,597.28 and 325,753.73

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Solution

The fourth proportional to 587,399.95, 810,597.28 and 325,753.73 is: 449,532.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,399.95 : 810,597.28 = 325,753.73 : x
  2. Step 2: Convert to fraction form
    587,399.95/810,597.28 = 325,753.73/x
  3. Step 3: Cross multiply
    587,399.95x = 810,597.28 × 325,753.73
  4. Step 4: Simplify right side
    587,399.95x = 264,055,091,746.80
  5. Step 5: Solve for x
    x = 264,055,091,746.80/587,399.95
  6. Step 6: Final answer
    x = 449,532.03

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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.