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Finding the Fourth Proportional to 504,525.38, 696,250.46 and 275,080.79

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Solution

The fourth proportional to 504,525.38, 696,250.46 and 275,080.79 is: 379,614.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,525.38 : 696,250.46 = 275,080.79 : x
  2. Step 2: Convert to fraction form
    504,525.38/696,250.46 = 275,080.79/x
  3. Step 3: Cross multiply
    504,525.38x = 696,250.46 × 275,080.79
  4. Step 4: Simplify right side
    504,525.38x = 191,525,129,002.99
  5. Step 5: Solve for x
    x = 191,525,129,002.99/504,525.38
  6. Step 6: Final answer
    x = 379,614.46

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Double scale
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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.