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Finding the Fourth Proportional to 535,833.20, 804,203.40 and 220,516.40

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Solution

The fourth proportional to 535,833.20, 804,203.40 and 220,516.40 is: 330,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,833.20 : 804,203.40 = 220,516.40 : x
  2. Step 2: Convert to fraction form
    535,833.20/804,203.40 = 220,516.40/x
  3. Step 3: Cross multiply
    535,833.20x = 804,203.40 × 220,516.40
  4. Step 4: Simplify right side
    535,833.20x = 177,340,038,635.76
  5. Step 5: Solve for x
    x = 177,340,038,635.76/535,833.20
  6. Step 6: Final answer
    x = 330,961.27

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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.