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Finding the Fourth Proportional to 208,375.35, 312,442.34 and 183,465.42

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Solution

The fourth proportional to 208,375.35, 312,442.34 and 183,465.42 is: 275,091.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,375.35 : 312,442.34 = 183,465.42 : x
  2. Step 2: Convert to fraction form
    208,375.35/312,442.34 = 183,465.42/x
  3. Step 3: Cross multiply
    208,375.35x = 312,442.34 × 183,465.42
  4. Step 4: Simplify right side
    208,375.35x = 57,322,364,216.56
  5. Step 5: Solve for x
    x = 57,322,364,216.56/208,375.35
  6. Step 6: Final answer
    x = 275,091.87

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1.5x scale

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.