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Finding the Fourth Proportional to 587,242.54, 810,451.58 and 329,163.32

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Solution

The fourth proportional to 587,242.54, 810,451.58 and 329,163.32 is: 454,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,242.54 : 810,451.58 = 329,163.32 : x
  2. Step 2: Convert to fraction form
    587,242.54/810,451.58 = 329,163.32/x
  3. Step 3: Cross multiply
    587,242.54x = 810,451.58 × 329,163.32
  4. Step 4: Simplify right side
    587,242.54x = 266,770,931,126.23
  5. Step 5: Solve for x
    x = 266,770,931,126.23/587,242.54
  6. Step 6: Final answer
    x = 454,277.26

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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.