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Finding the Fourth Proportional to 340,765.02, 470,258.82 and 187,808.67

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Solution

The fourth proportional to 340,765.02, 470,258.82 and 187,808.67 is: 259,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,765.02 : 470,258.82 = 187,808.67 : x
  2. Step 2: Convert to fraction form
    340,765.02/470,258.82 = 187,808.67/x
  3. Step 3: Cross multiply
    340,765.02x = 470,258.82 × 187,808.67
  4. Step 4: Simplify right side
    340,765.02x = 88,318,683,539.97
  5. Step 5: Solve for x
    x = 88,318,683,539.97/340,765.02
  6. Step 6: Final answer
    x = 259,177.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.