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Finding the Fourth Proportional to 304,211.70, 456,317.55 and 264,845.70

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Solution

The fourth proportional to 304,211.70, 456,317.55 and 264,845.70 is: 397,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,211.70 : 456,317.55 = 264,845.70 : x
  2. Step 2: Convert to fraction form
    304,211.70/456,317.55 = 264,845.70/x
  3. Step 3: Cross multiply
    304,211.70x = 456,317.55 × 264,845.70
  4. Step 4: Simplify right side
    304,211.70x = 120,853,740,952.04
  5. Step 5: Solve for x
    x = 120,853,740,952.04/304,211.70
  6. Step 6: Final answer
    x = 397,268.55

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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.