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Finding the Fourth Proportional to 271,673.60, 407,510.40 and 170,634.20

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Solution

The fourth proportional to 271,673.60, 407,510.40 and 170,634.20 is: 255,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,673.60 : 407,510.40 = 170,634.20 : x
  2. Step 2: Convert to fraction form
    271,673.60/407,510.40 = 170,634.20/x
  3. Step 3: Cross multiply
    271,673.60x = 407,510.40 × 170,634.20
  4. Step 4: Simplify right side
    271,673.60x = 69,535,211,095.68
  5. Step 5: Solve for x
    x = 69,535,211,095.68/271,673.60
  6. Step 6: Final answer
    x = 255,951.30

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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.