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Finding the Fourth Proportional to 296,054.40, 444,081.60 and 276,225.60

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Solution

The fourth proportional to 296,054.40, 444,081.60 and 276,225.60 is: 414,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,054.40 : 444,081.60 = 276,225.60 : x
  2. Step 2: Convert to fraction form
    296,054.40/444,081.60 = 276,225.60/x
  3. Step 3: Cross multiply
    296,054.40x = 444,081.60 × 276,225.60
  4. Step 4: Simplify right side
    296,054.40x = 122,666,706,408.96
  5. Step 5: Solve for x
    x = 122,666,706,408.96/296,054.40
  6. Step 6: Final answer
    x = 414,338.40

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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.