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Finding the Fourth Proportional to 526,912.52, 727,071.54 and 300,544.52

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Solution

The fourth proportional to 526,912.52, 727,071.54 and 300,544.52 is: 414,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,912.52 : 727,071.54 = 300,544.52 : x
  2. Step 2: Convert to fraction form
    526,912.52/727,071.54 = 300,544.52/x
  3. Step 3: Cross multiply
    526,912.52x = 727,071.54 × 300,544.52
  4. Step 4: Simplify right side
    526,912.52x = 218,517,366,994.96
  5. Step 5: Solve for x
    x = 218,517,366,994.96/526,912.52
  6. Step 6: Final answer
    x = 414,712.80

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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.