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Finding the Fourth Proportional to 268,847.40, 403,271.10 and 184,866.60

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Solution

The fourth proportional to 268,847.40, 403,271.10 and 184,866.60 is: 277,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,847.40 : 403,271.10 = 184,866.60 : x
  2. Step 2: Convert to fraction form
    268,847.40/403,271.10 = 184,866.60/x
  3. Step 3: Cross multiply
    268,847.40x = 403,271.10 × 184,866.60
  4. Step 4: Simplify right side
    268,847.40x = 74,551,357,135.26
  5. Step 5: Solve for x
    x = 74,551,357,135.26/268,847.40
  6. Step 6: Final answer
    x = 277,299.90

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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.