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Finding the Fourth Proportional to 219,060.40, 329,281.80 and 202,471.60

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Solution

The fourth proportional to 219,060.40, 329,281.80 and 202,471.60 is: 304,346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,060.40 : 329,281.80 = 202,471.60 : x
  2. Step 2: Convert to fraction form
    219,060.40/329,281.80 = 202,471.60/x
  3. Step 3: Cross multiply
    219,060.40x = 329,281.80 × 202,471.60
  4. Step 4: Simplify right side
    219,060.40x = 66,670,212,896.88
  5. Step 5: Solve for x
    x = 66,670,212,896.88/219,060.40
  6. Step 6: Final answer
    x = 304,346.26

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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.