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Finding the Fourth Proportional to 504,488.44, 696,198.72 and 278,142.04

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Solution

The fourth proportional to 504,488.44, 696,198.72 and 278,142.04 is: 383,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,488.44 : 696,198.72 = 278,142.04 : x
  2. Step 2: Convert to fraction form
    504,488.44/696,198.72 = 278,142.04/x
  3. Step 3: Cross multiply
    504,488.44x = 696,198.72 × 278,142.04
  4. Step 4: Simplify right side
    504,488.44x = 193,642,132,226.19
  5. Step 5: Solve for x
    x = 193,642,132,226.19/504,488.44
  6. Step 6: Final answer
    x = 383,838.59

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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.