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Finding the Fourth Proportional to 291,544.59, 402,194.07 and 170,611.74

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Solution

The fourth proportional to 291,544.59, 402,194.07 and 170,611.74 is: 235,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,544.59 : 402,194.07 = 170,611.74 : x
  2. Step 2: Convert to fraction form
    291,544.59/402,194.07 = 170,611.74/x
  3. Step 3: Cross multiply
    291,544.59x = 402,194.07 × 170,611.74
  4. Step 4: Simplify right side
    291,544.59x = 68,619,030,100.38
  5. Step 5: Solve for x
    x = 68,619,030,100.38/291,544.59
  6. Step 6: Final answer
    x = 235,363.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.