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Finding the Fourth Proportional to 297,925.20, 446,887.80 and 276,055.20

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Solution

The fourth proportional to 297,925.20, 446,887.80 and 276,055.20 is: 414,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,925.20 : 446,887.80 = 276,055.20 : x
  2. Step 2: Convert to fraction form
    297,925.20/446,887.80 = 276,055.20/x
  3. Step 3: Cross multiply
    297,925.20x = 446,887.80 × 276,055.20
  4. Step 4: Simplify right side
    297,925.20x = 123,365,701,006.56
  5. Step 5: Solve for x
    x = 123,365,701,006.56/297,925.20
  6. Step 6: Final answer
    x = 414,082.80

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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.