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Finding the Fourth Proportional to 511,416.36, 767,535.42 and 230,958.12

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Solution

The fourth proportional to 511,416.36, 767,535.42 and 230,958.12 is: 346,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,416.36 : 767,535.42 = 230,958.12 : x
  2. Step 2: Convert to fraction form
    511,416.36/767,535.42 = 230,958.12/x
  3. Step 3: Cross multiply
    511,416.36x = 767,535.42 × 230,958.12
  4. Step 4: Simplify right side
    511,416.36x = 177,268,537,636.61
  5. Step 5: Solve for x
    x = 177,268,537,636.61/511,416.36
  6. Step 6: Final answer
    x = 346,622.74

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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.