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Finding the Fourth Proportional to 620,353.00, 930,021.02 and 220,766.23

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Solution

The fourth proportional to 620,353.00, 930,021.02 and 220,766.23 is: 330,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,353.00 : 930,021.02 = 220,766.23 : x
  2. Step 2: Convert to fraction form
    620,353.00/930,021.02 = 220,766.23/x
  3. Step 3: Cross multiply
    620,353.00x = 930,021.02 × 220,766.23
  4. Step 4: Simplify right side
    620,353.00x = 205,317,235,292.72
  5. Step 5: Solve for x
    x = 205,317,235,292.72/620,353.00
  6. Step 6: Final answer
    x = 330,968.39

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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.