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Finding the Fourth Proportional to 370,706.32, 555,629.28 and 170,606.56

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Solution

The fourth proportional to 370,706.32, 555,629.28 and 170,606.56 is: 255,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,706.32 : 555,629.28 = 170,606.56 : x
  2. Step 2: Convert to fraction form
    370,706.32/555,629.28 = 170,606.56/x
  3. Step 3: Cross multiply
    370,706.32x = 555,629.28 × 170,606.56
  4. Step 4: Simplify right side
    370,706.32x = 94,794,000,096.08
  5. Step 5: Solve for x
    x = 94,794,000,096.08/370,706.32
  6. Step 6: Final answer
    x = 255,711.85

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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.