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Finding the Fourth Proportional to 358,168.68, 537,255.45 and 170,611.56

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Solution

The fourth proportional to 358,168.68, 537,255.45 and 170,611.56 is: 255,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,168.68 : 537,255.45 = 170,611.56 : x
  2. Step 2: Convert to fraction form
    358,168.68/537,255.45 = 170,611.56/x
  3. Step 3: Cross multiply
    358,168.68x = 537,255.45 × 170,611.56
  4. Step 4: Simplify right side
    358,168.68x = 91,661,990,443.00
  5. Step 5: Solve for x
    x = 91,661,990,443.00/358,168.68
  6. Step 6: Final answer
    x = 255,918.50

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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.