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Finding the Fourth Proportional to 253,650.84, 349,001.06 and 219,550.64

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Solution

The fourth proportional to 253,650.84, 349,001.06 and 219,550.64 is: 302,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,650.84 : 349,001.06 = 219,550.64 : x
  2. Step 2: Convert to fraction form
    253,650.84/349,001.06 = 219,550.64/x
  3. Step 3: Cross multiply
    253,650.84x = 349,001.06 × 219,550.64
  4. Step 4: Simplify right side
    253,650.84x = 76,623,406,083.68
  5. Step 5: Solve for x
    x = 76,623,406,083.68/253,650.84
  6. Step 6: Final answer
    x = 302,082.21

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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.