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Finding the Fourth Proportional to 283,669.35, 425,504.03 and 256,021.35

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Solution

The fourth proportional to 283,669.35, 425,504.03 and 256,021.35 is: 384,032.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,669.35 : 425,504.03 = 256,021.35 : x
  2. Step 2: Convert to fraction form
    283,669.35/425,504.03 = 256,021.35/x
  3. Step 3: Cross multiply
    283,669.35x = 425,504.03 × 256,021.35
  4. Step 4: Simplify right side
    283,669.35x = 108,938,114,910.93
  5. Step 5: Solve for x
    x = 108,938,114,910.93/283,669.35
  6. Step 6: Final answer
    x = 384,032.03

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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.