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Finding the Fourth Proportional to 370,526.42, 511,326.78 and 200,760.54

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Solution

The fourth proportional to 370,526.42, 511,326.78 and 200,760.54 is: 277,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,526.42 : 511,326.78 = 200,760.54 : x
  2. Step 2: Convert to fraction form
    370,526.42/511,326.78 = 200,760.54/x
  3. Step 3: Cross multiply
    370,526.42x = 511,326.78 × 200,760.54
  4. Step 4: Simplify right side
    370,526.42x = 102,654,240,469.26
  5. Step 5: Solve for x
    x = 102,654,240,469.26/370,526.42
  6. Step 6: Final answer
    x = 277,049.72

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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.