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Finding the Fourth Proportional to 370,471.33, 511,250.45 and 200,705.46

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Solution

The fourth proportional to 370,471.33, 511,250.45 and 200,705.46 is: 276,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,471.33 : 511,250.45 = 200,705.46 : x
  2. Step 2: Convert to fraction form
    370,471.33/511,250.45 = 200,705.46/x
  3. Step 3: Cross multiply
    370,471.33x = 511,250.45 × 200,705.46
  4. Step 4: Simplify right side
    370,471.33x = 102,610,756,742.46
  5. Step 5: Solve for x
    x = 102,610,756,742.46/370,471.33
  6. Step 6: Final answer
    x = 276,973.54

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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.