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Finding the Fourth Proportional to 531,745.75, 797,618.63 and 157,768.75

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Solution

The fourth proportional to 531,745.75, 797,618.63 and 157,768.75 is: 236,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,745.75 : 797,618.63 = 157,768.75 : x
  2. Step 2: Convert to fraction form
    531,745.75/797,618.63 = 157,768.75/x
  3. Step 3: Cross multiply
    531,745.75x = 797,618.63 × 157,768.75
  4. Step 4: Simplify right side
    531,745.75x = 125,839,294,231.81
  5. Step 5: Solve for x
    x = 125,839,294,231.81/531,745.75
  6. Step 6: Final answer
    x = 236,653.13

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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.