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Finding the Fourth Proportional to 297,145.80, 410,089.20 and 169,796.64

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Solution

The fourth proportional to 297,145.80, 410,089.20 and 169,796.64 is: 234,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,145.80 : 410,089.20 = 169,796.64 : x
  2. Step 2: Convert to fraction form
    297,145.80/410,089.20 = 169,796.64/x
  3. Step 3: Cross multiply
    297,145.80x = 410,089.20 × 169,796.64
  4. Step 4: Simplify right side
    297,145.80x = 69,631,768,260.29
  5. Step 5: Solve for x
    x = 69,631,768,260.29/297,145.80
  6. Step 6: Final answer
    x = 234,335.36

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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.