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Finding the Fourth Proportional to 403,258.01, 604,974.78 and 122,767.97

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Solution

The fourth proportional to 403,258.01, 604,974.78 and 122,767.97 is: 184,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,258.01 : 604,974.78 = 122,767.97 : x
  2. Step 2: Convert to fraction form
    403,258.01/604,974.78 = 122,767.97/x
  3. Step 3: Cross multiply
    403,258.01x = 604,974.78 × 122,767.97
  4. Step 4: Simplify right side
    403,258.01x = 74,271,522,616.92
  5. Step 5: Solve for x
    x = 74,271,522,616.92/403,258.01
  6. Step 6: Final answer
    x = 184,178.67

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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.