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Finding the Fourth Proportional to 504,462.42, 696,158.82 and 278,107.92

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Solution

The fourth proportional to 504,462.42, 696,158.82 and 278,107.92 is: 383,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,462.42 : 696,158.82 = 278,107.92 : x
  2. Step 2: Convert to fraction form
    504,462.42/696,158.82 = 278,107.92/x
  3. Step 3: Cross multiply
    504,462.42x = 696,158.82 × 278,107.92
  4. Step 4: Simplify right side
    504,462.42x = 193,607,281,419.85
  5. Step 5: Solve for x
    x = 193,607,281,419.85/504,462.42
  6. Step 6: Final answer
    x = 383,789.30

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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.