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Finding the Fourth Proportional to 525,997.10, 788,995.65 and 171,022.70

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Solution

The fourth proportional to 525,997.10, 788,995.65 and 171,022.70 is: 256,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,997.10 : 788,995.65 = 171,022.70 : x
  2. Step 2: Convert to fraction form
    525,997.10/788,995.65 = 171,022.70/x
  3. Step 3: Cross multiply
    525,997.10x = 788,995.65 × 171,022.70
  4. Step 4: Simplify right side
    525,997.10x = 134,936,166,351.26
  5. Step 5: Solve for x
    x = 134,936,166,351.26/525,997.10
  6. Step 6: Final answer
    x = 256,534.05

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Similar ratio
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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.