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Finding the Fourth Proportional to 297,191.50, 410,131.50 and 163,055.50

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Solution

The fourth proportional to 297,191.50, 410,131.50 and 163,055.50 is: 225,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,191.50 : 410,131.50 = 163,055.50 : x
  2. Step 2: Convert to fraction form
    297,191.50/410,131.50 = 163,055.50/x
  3. Step 3: Cross multiply
    297,191.50x = 410,131.50 × 163,055.50
  4. Step 4: Simplify right side
    297,191.50x = 66,874,196,798.25
  5. Step 5: Solve for x
    x = 66,874,196,798.25/297,191.50
  6. Step 6: Final answer
    x = 225,020.56

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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.