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Finding the Fourth Proportional to 620,201.27, 930,366.27 and 170,922.22

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Solution

The fourth proportional to 620,201.27, 930,366.27 and 170,922.22 is: 256,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,201.27 : 930,366.27 = 170,922.22 : x
  2. Step 2: Convert to fraction form
    620,201.27/930,366.27 = 170,922.22/x
  3. Step 3: Cross multiply
    620,201.27x = 930,366.27 × 170,922.22
  4. Step 4: Simplify right side
    620,201.27x = 159,020,265,955.60
  5. Step 5: Solve for x
    x = 159,020,265,955.60/620,201.27
  6. Step 6: Final answer
    x = 256,401.06

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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.