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Finding the Fourth Proportional to 556,276.17, 834,138.17 and 177,147.46

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Solution

The fourth proportional to 556,276.17, 834,138.17 and 177,147.46 is: 265,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,276.17 : 834,138.17 = 177,147.46 : x
  2. Step 2: Convert to fraction form
    556,276.17/834,138.17 = 177,147.46/x
  3. Step 3: Cross multiply
    556,276.17x = 834,138.17 × 177,147.46
  4. Step 4: Simplify right side
    556,276.17x = 147,765,458,104.55
  5. Step 5: Solve for x
    x = 147,765,458,104.55/556,276.17
  6. Step 6: Final answer
    x = 265,633.27

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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.