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Finding the Fourth Proportional to 297,662.40, 410,767.20 and 170,366.40

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Solution

The fourth proportional to 297,662.40, 410,767.20 and 170,366.40 is: 235,101.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,662.40 : 410,767.20 = 170,366.40 : x
  2. Step 2: Convert to fraction form
    297,662.40/410,767.20 = 170,366.40/x
  3. Step 3: Cross multiply
    297,662.40x = 410,767.20 × 170,366.40
  4. Step 4: Simplify right side
    297,662.40x = 69,980,929,102.08
  5. Step 5: Solve for x
    x = 69,980,929,102.08/297,662.40
  6. Step 6: Final answer
    x = 235,101.68

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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.