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Finding the Fourth Proportional to 370,531.76, 511,343.34 and 227,370.92

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Solution

The fourth proportional to 370,531.76, 511,343.34 and 227,370.92 is: 313,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,531.76 : 511,343.34 = 227,370.92 : x
  2. Step 2: Convert to fraction form
    370,531.76/511,343.34 = 227,370.92/x
  3. Step 3: Cross multiply
    370,531.76x = 511,343.34 × 227,370.92
  4. Step 4: Simplify right side
    370,531.76x = 116,264,605,651.67
  5. Step 5: Solve for x
    x = 116,264,605,651.67/370,531.76
  6. Step 6: Final answer
    x = 313,777.71

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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.