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Finding the Fourth Proportional to 370,375.87, 555,134.94 and 170,276.30

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Solution

The fourth proportional to 370,375.87, 555,134.94 and 170,276.30 is: 255,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,375.87 : 555,134.94 = 170,276.30 : x
  2. Step 2: Convert to fraction form
    370,375.87/555,134.94 = 170,276.30/x
  3. Step 3: Cross multiply
    370,375.87x = 555,134.94 × 170,276.30
  4. Step 4: Simplify right side
    370,375.87x = 94,526,326,012.64
  5. Step 5: Solve for x
    x = 94,526,326,012.64/370,375.87
  6. Step 6: Final answer
    x = 255,217.29

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1.5x scale

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.