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Finding the Fourth Proportional to 511,884.10, 767,826.15 and 504,010.90

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Solution

The fourth proportional to 511,884.10, 767,826.15 and 504,010.90 is: 756,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,884.10 : 767,826.15 = 504,010.90 : x
  2. Step 2: Convert to fraction form
    511,884.10/767,826.15 = 504,010.90/x
  3. Step 3: Cross multiply
    511,884.10x = 767,826.15 × 504,010.90
  4. Step 4: Simplify right side
    511,884.10x = 386,992,748,905.04
  5. Step 5: Solve for x
    x = 386,992,748,905.04/511,884.10
  6. Step 6: Final answer
    x = 756,016.35

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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.