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Finding the Fourth Proportional to 504,801.48, 696,594.42 and 278,446.44

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Solution

The fourth proportional to 504,801.48, 696,594.42 and 278,446.44 is: 384,238.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,801.48 : 696,594.42 = 278,446.44 : x
  2. Step 2: Convert to fraction form
    504,801.48/696,594.42 = 278,446.44/x
  3. Step 3: Cross multiply
    504,801.48x = 696,594.42 × 278,446.44
  4. Step 4: Simplify right side
    504,801.48x = 193,964,236,372.87
  5. Step 5: Solve for x
    x = 193,964,236,372.87/504,801.48
  6. Step 6: Final answer
    x = 384,238.64

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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.