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Finding the Fourth Proportional to 526,850.25, 726,883.64 and 322,688.34

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Solution

The fourth proportional to 526,850.25, 726,883.64 and 322,688.34 is: 445,205.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,850.25 : 726,883.64 = 322,688.34 : x
  2. Step 2: Convert to fraction form
    526,850.25/726,883.64 = 322,688.34/x
  3. Step 3: Cross multiply
    526,850.25x = 726,883.64 × 322,688.34
  4. Step 4: Simplify right side
    526,850.25x = 234,556,873,551.32
  5. Step 5: Solve for x
    x = 234,556,873,551.32/526,850.25
  6. Step 6: Final answer
    x = 445,205.96

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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.