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Finding the Fourth Proportional to 338,270.22, 466,601.67 and 217,568.94

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Solution

The fourth proportional to 338,270.22, 466,601.67 and 217,568.94 is: 300,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,270.22 : 466,601.67 = 217,568.94 : x
  2. Step 2: Convert to fraction form
    338,270.22/466,601.67 = 217,568.94/x
  3. Step 3: Cross multiply
    338,270.22x = 466,601.67 × 217,568.94
  4. Step 4: Simplify right side
    338,270.22x = 101,518,030,744.13
  5. Step 5: Solve for x
    x = 101,518,030,744.13/338,270.22
  6. Step 6: Final answer
    x = 300,109.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.