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Finding the Fourth Proportional to 511,883.60, 767,825.40 and 504,010.40

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Solution

The fourth proportional to 511,883.60, 767,825.40 and 504,010.40 is: 756,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,883.60 : 767,825.40 = 504,010.40 : x
  2. Step 2: Convert to fraction form
    511,883.60/767,825.40 = 504,010.40/x
  3. Step 3: Cross multiply
    511,883.60x = 767,825.40 × 504,010.40
  4. Step 4: Simplify right side
    511,883.60x = 386,991,986,984.16
  5. Step 5: Solve for x
    x = 386,991,986,984.16/511,883.60
  6. Step 6: Final answer
    x = 756,015.60

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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.