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Finding the Fourth Proportional to 703,063.25, 1,054,978.80 and 298,192.49

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Solution

The fourth proportional to 703,063.25, 1,054,978.80 and 298,192.49 is: 447,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,063.25 : 1,054,978.80 = 298,192.49 : x
  2. Step 2: Convert to fraction form
    703,063.25/1,054,978.80 = 298,192.49/x
  3. Step 3: Cross multiply
    703,063.25x = 1,054,978.80 × 298,192.49
  4. Step 4: Simplify right side
    703,063.25x = 314,586,749,994.32
  5. Step 5: Solve for x
    x = 314,586,749,994.32/703,063.25
  6. Step 6: Final answer
    x = 447,451.57

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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.