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Finding the Fourth Proportional to 665,705.79, 998,460.27 and 244,883.25

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Solution

The fourth proportional to 665,705.79, 998,460.27 and 244,883.25 is: 367,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,705.79 : 998,460.27 = 244,883.25 : x
  2. Step 2: Convert to fraction form
    665,705.79/998,460.27 = 244,883.25/x
  3. Step 3: Cross multiply
    665,705.79x = 998,460.27 × 244,883.25
  4. Step 4: Simplify right side
    665,705.79x = 244,506,195,913.48
  5. Step 5: Solve for x
    x = 244,506,195,913.48/665,705.79
  6. Step 6: Final answer
    x = 367,288.67

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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.