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Finding the Fourth Proportional to 474,808.72, 655,237.95 and 259,968.77

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Solution

The fourth proportional to 474,808.72, 655,237.95 and 259,968.77 is: 358,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,808.72 : 655,237.95 = 259,968.77 : x
  2. Step 2: Convert to fraction form
    474,808.72/655,237.95 = 259,968.77/x
  3. Step 3: Cross multiply
    474,808.72x = 655,237.95 × 259,968.77
  4. Step 4: Simplify right side
    474,808.72x = 170,341,404,906.99
  5. Step 5: Solve for x
    x = 170,341,404,906.99/474,808.72
  6. Step 6: Final answer
    x = 358,757.96

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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.