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Finding the Fourth Proportional to 297,906.70, 446,860.05 and 276,036.70

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Solution

The fourth proportional to 297,906.70, 446,860.05 and 276,036.70 is: 414,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,906.70 : 446,860.05 = 276,036.70 : x
  2. Step 2: Convert to fraction form
    297,906.70/446,860.05 = 276,036.70/x
  3. Step 3: Cross multiply
    297,906.70x = 446,860.05 × 276,036.70
  4. Step 4: Simplify right side
    297,906.70x = 123,349,773,563.84
  5. Step 5: Solve for x
    x = 123,349,773,563.84/297,906.70
  6. Step 6: Final answer
    x = 414,055.05

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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.