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Finding the Fourth Proportional to 383,101.93, 528,680.64 and 222,050.38

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Solution

The fourth proportional to 383,101.93, 528,680.64 and 222,050.38 is: 306,429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,101.93 : 528,680.64 = 222,050.38 : x
  2. Step 2: Convert to fraction form
    383,101.93/528,680.64 = 222,050.38/x
  3. Step 3: Cross multiply
    383,101.93x = 528,680.64 × 222,050.38
  4. Step 4: Simplify right side
    383,101.93x = 117,393,737,010.64
  5. Step 5: Solve for x
    x = 117,393,737,010.64/383,101.93
  6. Step 6: Final answer
    x = 306,429.51

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1.5x scale

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.