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Finding the Fourth Proportional to 283,735.68, 426,085.59 and 189,570.97

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Solution

The fourth proportional to 283,735.68, 426,085.59 and 189,570.97 is: 284,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,735.68 : 426,085.59 = 189,570.97 : x
  2. Step 2: Convert to fraction form
    283,735.68/426,085.59 = 189,570.97/x
  3. Step 3: Cross multiply
    283,735.68x = 426,085.59 × 189,570.97
  4. Step 4: Simplify right side
    283,735.68x = 80,773,458,599.32
  5. Step 5: Solve for x
    x = 80,773,458,599.32/283,735.68
  6. Step 6: Final answer
    x = 284,678.54

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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.