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Finding the Fourth Proportional to 455,694.66, 628,762.50 and 264,609.18

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Solution

The fourth proportional to 455,694.66, 628,762.50 and 264,609.18 is: 365,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,694.66 : 628,762.50 = 264,609.18 : x
  2. Step 2: Convert to fraction form
    455,694.66/628,762.50 = 264,609.18/x
  3. Step 3: Cross multiply
    455,694.66x = 628,762.50 × 264,609.18
  4. Step 4: Simplify right side
    455,694.66x = 166,376,329,539.75
  5. Step 5: Solve for x
    x = 166,376,329,539.75/455,694.66
  6. Step 6: Final answer
    x = 365,104.85

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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.