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Finding the Fourth Proportional to 503,805.60, 755,708.40 and 166,755.60

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Solution

The fourth proportional to 503,805.60, 755,708.40 and 166,755.60 is: 250,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,805.60 : 755,708.40 = 166,755.60 : x
  2. Step 2: Convert to fraction form
    503,805.60/755,708.40 = 166,755.60/x
  3. Step 3: Cross multiply
    503,805.60x = 755,708.40 × 166,755.60
  4. Step 4: Simplify right side
    503,805.60x = 126,018,607,667.04
  5. Step 5: Solve for x
    x = 126,018,607,667.04/503,805.60
  6. Step 6: Final answer
    x = 250,133.40

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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.