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Finding the Fourth Proportional to 370,322.54, 511,044.63 and 200,557.34

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Solution

The fourth proportional to 370,322.54, 511,044.63 and 200,557.34 is: 276,768.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,322.54 : 511,044.63 = 200,557.34 : x
  2. Step 2: Convert to fraction form
    370,322.54/511,044.63 = 200,557.34/x
  3. Step 3: Cross multiply
    370,322.54x = 511,044.63 × 200,557.34
  4. Step 4: Simplify right side
    370,322.54x = 102,493,751,614.08
  5. Step 5: Solve for x
    x = 102,493,751,614.08/370,322.54
  6. Step 6: Final answer
    x = 276,768.87

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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.