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Finding the Fourth Proportional to 370,557.44, 511,373.30 and 217,597.44

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Solution

The fourth proportional to 370,557.44, 511,373.30 and 217,597.44 is: 300,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,557.44 : 511,373.30 = 217,597.44 : x
  2. Step 2: Convert to fraction form
    370,557.44/511,373.30 = 217,597.44/x
  3. Step 3: Cross multiply
    370,557.44x = 511,373.30 × 217,597.44
  4. Step 4: Simplify right side
    370,557.44x = 111,273,520,964.35
  5. Step 5: Solve for x
    x = 111,273,520,964.35/370,557.44
  6. Step 6: Final answer
    x = 300,286.84

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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.