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Finding the Fourth Proportional to 418,788.03, 626,596.83 and 248,101.38

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Solution

The fourth proportional to 418,788.03, 626,596.83 and 248,101.38 is: 371,212.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,788.03 : 626,596.83 = 248,101.38 : x
  2. Step 2: Convert to fraction form
    418,788.03/626,596.83 = 248,101.38/x
  3. Step 3: Cross multiply
    418,788.03x = 626,596.83 × 248,101.38
  4. Step 4: Simplify right side
    418,788.03x = 155,459,538,226.63
  5. Step 5: Solve for x
    x = 155,459,538,226.63/418,788.03
  6. Step 6: Final answer
    x = 371,212.94

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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.