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Finding the Fourth Proportional to 370,516.08, 511,321.80 and 227,193.60

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Solution

The fourth proportional to 370,516.08, 511,321.80 and 227,193.60 is: 313,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,516.08 : 511,321.80 = 227,193.60 : x
  2. Step 2: Convert to fraction form
    370,516.08/511,321.80 = 227,193.60/x
  3. Step 3: Cross multiply
    370,516.08x = 511,321.80 × 227,193.60
  4. Step 4: Simplify right side
    370,516.08x = 116,169,040,500.48
  5. Step 5: Solve for x
    x = 116,169,040,500.48/370,516.08
  6. Step 6: Final answer
    x = 313,533.06

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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.