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Finding the Fourth Proportional to 235,083.42, 325,053 and 231,285.06

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Solution

The fourth proportional to 235,083.42, 325,053 and 231,285.06 is: 319,800.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,083.42 : 325,053 = 231,285.06 : x
  2. Step 2: Convert to fraction form
    235,083.42/325,053 = 231,285.06/x
  3. Step 3: Cross multiply
    235,083.42x = 325,053 × 231,285.06
  4. Step 4: Simplify right side
    235,083.42x = 75,179,902,608.18
  5. Step 5: Solve for x
    x = 75,179,902,608.18/235,083.42
  6. Step 6: Final answer
    x = 319,800.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.