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Finding the Fourth Proportional to 531,825.30, 797,736.20 and 157,848.30

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Solution

The fourth proportional to 531,825.30, 797,736.20 and 157,848.30 is: 236,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,825.30 : 797,736.20 = 157,848.30 : x
  2. Step 2: Convert to fraction form
    531,825.30/797,736.20 = 157,848.30/x
  3. Step 3: Cross multiply
    531,825.30x = 797,736.20 × 157,848.30
  4. Step 4: Simplify right side
    531,825.30x = 125,921,302,229.22
  5. Step 5: Solve for x
    x = 125,921,302,229.22/531,825.30
  6. Step 6: Final answer
    x = 236,771.93

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Double scale
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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.