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Finding the Fourth Proportional to 217,287.36, 325,928.40 and 59,515.68

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Solution

The fourth proportional to 217,287.36, 325,928.40 and 59,515.68 is: 89,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,287.36 : 325,928.40 = 59,515.68 : x
  2. Step 2: Convert to fraction form
    217,287.36/325,928.40 = 59,515.68/x
  3. Step 3: Cross multiply
    217,287.36x = 325,928.40 × 59,515.68
  4. Step 4: Simplify right side
    217,287.36x = 19,397,850,357.31
  5. Step 5: Solve for x
    x = 19,397,850,357.31/217,287.36
  6. Step 6: Final answer
    x = 89,272.80

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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.