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Finding the Fourth Proportional to 504,843.07, 696,685.71 and 275,399.63

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Solution

The fourth proportional to 504,843.07, 696,685.71 and 275,399.63 is: 380,052.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,843.07 : 696,685.71 = 275,399.63 : x
  2. Step 2: Convert to fraction form
    504,843.07/696,685.71 = 275,399.63/x
  3. Step 3: Cross multiply
    504,843.07x = 696,685.71 × 275,399.63
  4. Step 4: Simplify right side
    504,843.07x = 191,866,986,760.29
  5. Step 5: Solve for x
    x = 191,866,986,760.29/504,843.07
  6. Step 6: Final answer
    x = 380,052.73

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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.