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Finding the Fourth Proportional to 370,528.76, 511,339.20 and 227,367.92

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Solution

The fourth proportional to 370,528.76, 511,339.20 and 227,367.92 is: 313,773.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,528.76 : 511,339.20 = 227,367.92 : x
  2. Step 2: Convert to fraction form
    370,528.76/511,339.20 = 227,367.92/x
  3. Step 3: Cross multiply
    370,528.76x = 511,339.20 × 227,367.92
  4. Step 4: Simplify right side
    370,528.76x = 116,262,130,318.46
  5. Step 5: Solve for x
    x = 116,262,130,318.46/370,528.76
  6. Step 6: Final answer
    x = 313,773.57

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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.