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Finding the Fourth Proportional to 511,996.92, 706,821.39 and 374,020.92

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Solution

The fourth proportional to 511,996.92, 706,821.39 and 374,020.92 is: 516,342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,996.92 : 706,821.39 = 374,020.92 : x
  2. Step 2: Convert to fraction form
    511,996.92/706,821.39 = 374,020.92/x
  3. Step 3: Cross multiply
    511,996.92x = 706,821.39 × 374,020.92
  4. Step 4: Simplify right side
    511,996.92x = 264,365,986,563.48
  5. Step 5: Solve for x
    x = 264,365,986,563.48/511,996.92
  6. Step 6: Final answer
    x = 516,342.92

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Half scale
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Double scale
Find fourth proportional to 511,997.92, 706,822.77 and 374,021.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.