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Finding the Fourth Proportional to 365,493.49, 504,228.23 and 284,780.89

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Solution

The fourth proportional to 365,493.49, 504,228.23 and 284,780.89 is: 392,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,493.49 : 504,228.23 = 284,780.89 : x
  2. Step 2: Convert to fraction form
    365,493.49/504,228.23 = 284,780.89/x
  3. Step 3: Cross multiply
    365,493.49x = 504,228.23 × 284,780.89
  4. Step 4: Simplify right side
    365,493.49x = 143,594,562,558.22
  5. Step 5: Solve for x
    x = 143,594,562,558.22/365,493.49
  6. Step 6: Final answer
    x = 392,878.58

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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.