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Finding the Fourth Proportional to 455,533.34, 628,635.99 and 264,559.04

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Solution

The fourth proportional to 455,533.34, 628,635.99 and 264,559.04 is: 365,091.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,533.34 : 628,635.99 = 264,559.04 : x
  2. Step 2: Convert to fraction form
    455,533.34/628,635.99 = 264,559.04/x
  3. Step 3: Cross multiply
    455,533.34x = 628,635.99 × 264,559.04
  4. Step 4: Simplify right side
    455,533.34x = 166,311,330,880.67
  5. Step 5: Solve for x
    x = 166,311,330,880.67/455,533.34
  6. Step 6: Final answer
    x = 365,091.46

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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.