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Finding the Fourth Proportional to 511,995.43, 706,819.33 and 374,019.42

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Solution

The fourth proportional to 511,995.43, 706,819.33 and 374,019.42 is: 516,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,995.43 : 706,819.33 = 374,019.42 : x
  2. Step 2: Convert to fraction form
    511,995.43/706,819.33 = 374,019.42/x
  3. Step 3: Cross multiply
    511,995.43x = 706,819.33 × 374,019.42
  4. Step 4: Simplify right side
    511,995.43x = 264,364,154,916.34
  5. Step 5: Solve for x
    x = 264,364,154,916.34/511,995.43
  6. Step 6: Final answer
    x = 516,340.85

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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.