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Finding the Fourth Proportional to 475,067.42, 655,593.21 and 260,211.07

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Solution

The fourth proportional to 475,067.42, 655,593.21 and 260,211.07 is: 359,091.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,067.42 : 655,593.21 = 260,211.07 : x
  2. Step 2: Convert to fraction form
    475,067.42/655,593.21 = 260,211.07/x
  3. Step 3: Cross multiply
    475,067.42x = 655,593.21 × 260,211.07
  4. Step 4: Simplify right side
    475,067.42x = 170,592,610,658.84
  5. Step 5: Solve for x
    x = 170,592,610,658.84/475,067.42
  6. Step 6: Final answer
    x = 359,091.37

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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.