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Finding the Fourth Proportional to 265,708.85, 366,685.04 and 152,553.47

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Solution

The fourth proportional to 265,708.85, 366,685.04 and 152,553.47 is: 210,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,708.85 : 366,685.04 = 152,553.47 : x
  2. Step 2: Convert to fraction form
    265,708.85/366,685.04 = 152,553.47/x
  3. Step 3: Cross multiply
    265,708.85x = 366,685.04 × 152,553.47
  4. Step 4: Simplify right side
    265,708.85x = 55,939,073,797.05
  5. Step 5: Solve for x
    x = 55,939,073,797.05/265,708.85
  6. Step 6: Final answer
    x = 210,527.71

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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.