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Finding the Fourth Proportional to 370,450.29, 511,220.66 and 200,684.82

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Solution

The fourth proportional to 370,450.29, 511,220.66 and 200,684.82 is: 276,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,450.29 : 511,220.66 = 200,684.82 : x
  2. Step 2: Convert to fraction form
    370,450.29/511,220.66 = 200,684.82/x
  3. Step 3: Cross multiply
    370,450.29x = 511,220.66 × 200,684.82
  4. Step 4: Simplify right side
    370,450.29x = 102,594,225,128.96
  5. Step 5: Solve for x
    x = 102,594,225,128.96/370,450.29
  6. Step 6: Final answer
    x = 276,944.65

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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.