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Finding the Fourth Proportional to 487,466.60, 730,163.10 and 404,522.60

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Solution

The fourth proportional to 487,466.60, 730,163.10 and 404,522.60 is: 605,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,466.60 : 730,163.10 = 404,522.60 : x
  2. Step 2: Convert to fraction form
    487,466.60/730,163.10 = 404,522.60/x
  3. Step 3: Cross multiply
    487,466.60x = 730,163.10 × 404,522.60
  4. Step 4: Simplify right side
    487,466.60x = 295,367,475,636.06
  5. Step 5: Solve for x
    x = 295,367,475,636.06/487,466.60
  6. Step 6: Final answer
    x = 605,923.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.