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Finding the Fourth Proportional to 193,535.60, 289,919.40 and 170,444.40

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Solution

The fourth proportional to 193,535.60, 289,919.40 and 170,444.40 is: 255,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,535.60 : 289,919.40 = 170,444.40 : x
  2. Step 2: Convert to fraction form
    193,535.60/289,919.40 = 170,444.40/x
  3. Step 3: Cross multiply
    193,535.60x = 289,919.40 × 170,444.40
  4. Step 4: Simplify right side
    193,535.60x = 49,415,138,181.36
  5. Step 5: Solve for x
    x = 49,415,138,181.36/193,535.60
  6. Step 6: Final answer
    x = 255,328.42

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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.