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Finding the Fourth Proportional to 357,626, 535,622.52 and 170,768.72

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Solution

The fourth proportional to 357,626, 535,622.52 and 170,768.72 is: 255,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,626 : 535,622.52 = 170,768.72 : x
  2. Step 2: Convert to fraction form
    357,626/535,622.52 = 170,768.72/x
  3. Step 3: Cross multiply
    357,626x = 535,622.52 × 170,768.72
  4. Step 4: Simplify right side
    357,626x = 91,467,572,143.57
  5. Step 5: Solve for x
    x = 91,467,572,143.57/357,626
  6. Step 6: Final answer
    x = 255,763.21

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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.