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Finding the Fourth Proportional to 170,899.40, 256,349.10 and 170,899.40

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Solution

The fourth proportional to 170,899.40, 256,349.10 and 170,899.40 is: 256,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,899.40 : 256,349.10 = 170,899.40 : x
  2. Step 2: Convert to fraction form
    170,899.40/256,349.10 = 170,899.40/x
  3. Step 3: Cross multiply
    170,899.40x = 256,349.10 × 170,899.40
  4. Step 4: Simplify right side
    170,899.40x = 43,809,907,380.54
  5. Step 5: Solve for x
    x = 43,809,907,380.54/170,899.40
  6. Step 6: Final answer
    x = 256,349.10

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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.