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Finding the Fourth Proportional to 474,820.32, 655,251.73 and 259,960.33

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Solution

The fourth proportional to 474,820.32, 655,251.73 and 259,960.33 is: 358,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,820.32 : 655,251.73 = 259,960.33 : x
  2. Step 2: Convert to fraction form
    474,820.32/655,251.73 = 259,960.33/x
  3. Step 3: Cross multiply
    474,820.32x = 655,251.73 × 259,960.33
  4. Step 4: Simplify right side
    474,820.32x = 170,339,453,675.84
  5. Step 5: Solve for x
    x = 170,339,453,675.84/474,820.32
  6. Step 6: Final answer
    x = 358,745.08

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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.