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Finding the Fourth Proportional to 510,759.44, 704,847.58 and 281,318.28

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Solution

The fourth proportional to 510,759.44, 704,847.58 and 281,318.28 is: 388,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,759.44 : 704,847.58 = 281,318.28 : x
  2. Step 2: Convert to fraction form
    510,759.44/704,847.58 = 281,318.28/x
  3. Step 3: Cross multiply
    510,759.44x = 704,847.58 × 281,318.28
  4. Step 4: Simplify right side
    510,759.44x = 198,286,508,867.76
  5. Step 5: Solve for x
    x = 198,286,508,867.76/510,759.44
  6. Step 6: Final answer
    x = 388,218.98

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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.