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Finding the Fourth Proportional to 503,528.40, 755,292.60 and 171,104.40

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Solution

The fourth proportional to 503,528.40, 755,292.60 and 171,104.40 is: 256,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,528.40 : 755,292.60 = 171,104.40 : x
  2. Step 2: Convert to fraction form
    503,528.40/755,292.60 = 171,104.40/x
  3. Step 3: Cross multiply
    503,528.40x = 755,292.60 × 171,104.40
  4. Step 4: Simplify right side
    503,528.40x = 129,233,887,147.44
  5. Step 5: Solve for x
    x = 129,233,887,147.44/503,528.40
  6. Step 6: Final answer
    x = 256,656.60

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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.