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Finding the Fourth Proportional to 370,452.89, 511,248.61 and 227,193.46

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Solution

The fourth proportional to 370,452.89, 511,248.61 and 227,193.46 is: 313,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,452.89 : 511,248.61 = 227,193.46 : x
  2. Step 2: Convert to fraction form
    370,452.89/511,248.61 = 227,193.46/x
  3. Step 3: Cross multiply
    370,452.89x = 511,248.61 × 227,193.46
  4. Step 4: Simplify right side
    370,452.89x = 116,152,339,631.96
  5. Step 5: Solve for x
    x = 116,152,339,631.96/370,452.89
  6. Step 6: Final answer
    x = 313,541.46

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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.