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Finding the Fourth Proportional to 437,151, 655,288.74 and 170,544.72

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Solution

The fourth proportional to 437,151, 655,288.74 and 170,544.72 is: 255,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,151 : 655,288.74 = 170,544.72 : x
  2. Step 2: Convert to fraction form
    437,151/655,288.74 = 170,544.72/x
  3. Step 3: Cross multiply
    437,151x = 655,288.74 × 170,544.72
  4. Step 4: Simplify right side
    437,151x = 111,756,034,682.45
  5. Step 5: Solve for x
    x = 111,756,034,682.45/437,151
  6. Step 6: Final answer
    x = 255,646.30

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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.