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Finding the Fourth Proportional to 355,453.80, 532,316.70 and 188,874.60

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Solution

The fourth proportional to 355,453.80, 532,316.70 and 188,874.60 is: 282,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,453.80 : 532,316.70 = 188,874.60 : x
  2. Step 2: Convert to fraction form
    355,453.80/532,316.70 = 188,874.60/x
  3. Step 3: Cross multiply
    355,453.80x = 532,316.70 × 188,874.60
  4. Step 4: Simplify right side
    355,453.80x = 100,541,103,785.82
  5. Step 5: Solve for x
    x = 100,541,103,785.82/355,453.80
  6. Step 6: Final answer
    x = 282,852.80

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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.