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Finding the Fourth Proportional to 306,603.18, 460,201.38 and 221,301.98

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Solution

The fourth proportional to 306,603.18, 460,201.38 and 221,301.98 is: 332,167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,603.18 : 460,201.38 = 221,301.98 : x
  2. Step 2: Convert to fraction form
    306,603.18/460,201.38 = 221,301.98/x
  3. Step 3: Cross multiply
    306,603.18x = 460,201.38 × 221,301.98
  4. Step 4: Simplify right side
    306,603.18x = 101,843,476,592.73
  5. Step 5: Solve for x
    x = 101,843,476,592.73/306,603.18
  6. Step 6: Final answer
    x = 332,167.06

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1.5x scale

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.