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Finding the Fourth Proportional to 370,674.27, 556,096.92 and 157,449.06

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Solution

The fourth proportional to 370,674.27, 556,096.92 and 157,449.06 is: 236,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,674.27 : 556,096.92 = 157,449.06 : x
  2. Step 2: Convert to fraction form
    370,674.27/556,096.92 = 157,449.06/x
  3. Step 3: Cross multiply
    370,674.27x = 556,096.92 × 157,449.06
  4. Step 4: Simplify right side
    370,674.27x = 87,556,937,322.90
  5. Step 5: Solve for x
    x = 87,556,937,322.90/370,674.27
  6. Step 6: Final answer
    x = 236,209.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.