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Finding the Fourth Proportional to 591,707.28, 887,606.28 and 170,986.80

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Solution

The fourth proportional to 591,707.28, 887,606.28 and 170,986.80 is: 256,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,707.28 : 887,606.28 = 170,986.80 : x
  2. Step 2: Convert to fraction form
    591,707.28/887,606.28 = 170,986.80/x
  3. Step 3: Cross multiply
    591,707.28x = 887,606.28 × 170,986.80
  4. Step 4: Simplify right side
    591,707.28x = 151,768,957,477.10
  5. Step 5: Solve for x
    x = 151,768,957,477.10/591,707.28
  6. Step 6: Final answer
    x = 256,493.31

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Double scale
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Similar ratio
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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.