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Finding the Fourth Proportional to 435,231.40, 652,847.10 and 403,738.60

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Solution

The fourth proportional to 435,231.40, 652,847.10 and 403,738.60 is: 605,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,231.40 : 652,847.10 = 403,738.60 : x
  2. Step 2: Convert to fraction form
    435,231.40/652,847.10 = 403,738.60/x
  3. Step 3: Cross multiply
    435,231.40x = 652,847.10 × 403,738.60
  4. Step 4: Simplify right side
    435,231.40x = 263,579,574,168.06
  5. Step 5: Solve for x
    x = 263,579,574,168.06/435,231.40
  6. Step 6: Final answer
    x = 605,607.90

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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.