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Finding the Fourth Proportional to 525,744.60, 788,616.90 and 170,770.20

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Solution

The fourth proportional to 525,744.60, 788,616.90 and 170,770.20 is: 256,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,744.60 : 788,616.90 = 170,770.20 : x
  2. Step 2: Convert to fraction form
    525,744.60/788,616.90 = 170,770.20/x
  3. Step 3: Cross multiply
    525,744.60x = 788,616.90 × 170,770.20
  4. Step 4: Simplify right side
    525,744.60x = 134,672,265,736.38
  5. Step 5: Solve for x
    x = 134,672,265,736.38/525,744.60
  6. Step 6: Final answer
    x = 256,155.30

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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.