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Finding the Fourth Proportional to 370,473.96, 511,263.72 and 227,151.48

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Solution

The fourth proportional to 370,473.96, 511,263.72 and 227,151.48 is: 313,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,473.96 : 511,263.72 = 227,151.48 : x
  2. Step 2: Convert to fraction form
    370,473.96/511,263.72 = 227,151.48/x
  3. Step 3: Cross multiply
    370,473.96x = 511,263.72 × 227,151.48
  4. Step 4: Simplify right side
    370,473.96x = 116,134,310,668.31
  5. Step 5: Solve for x
    x = 116,134,310,668.31/370,473.96
  6. Step 6: Final answer
    x = 313,474.96

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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.