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Finding the Fourth Proportional to 351,998.80, 527,383.80 and 302,846.80

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Solution

The fourth proportional to 351,998.80, 527,383.80 and 302,846.80 is: 453,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,998.80 : 527,383.80 = 302,846.80 : x
  2. Step 2: Convert to fraction form
    351,998.80/527,383.80 = 302,846.80/x
  3. Step 3: Cross multiply
    351,998.80x = 527,383.80 × 302,846.80
  4. Step 4: Simplify right side
    351,998.80x = 159,716,496,201.84
  5. Step 5: Solve for x
    x = 159,716,496,201.84/351,998.80
  6. Step 6: Final answer
    x = 453,741.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.