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Finding the Fourth Proportional to 511,995.54, 706,819.47 and 374,019.54

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Solution

The fourth proportional to 511,995.54, 706,819.47 and 374,019.54 is: 516,341.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,995.54 : 706,819.47 = 374,019.54 : x
  2. Step 2: Convert to fraction form
    511,995.54/706,819.47 = 374,019.54/x
  3. Step 3: Cross multiply
    511,995.54x = 706,819.47 × 374,019.54
  4. Step 4: Simplify right side
    511,995.54x = 264,364,293,032.44
  5. Step 5: Solve for x
    x = 264,364,293,032.44/511,995.54
  6. Step 6: Final answer
    x = 516,341.01

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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.