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Finding the Fourth Proportional to 273,636.83, 409,788.21 and 154,948.34

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Solution

The fourth proportional to 273,636.83, 409,788.21 and 154,948.34 is: 232,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,636.83 : 409,788.21 = 154,948.34 : x
  2. Step 2: Convert to fraction form
    273,636.83/409,788.21 = 154,948.34/x
  3. Step 3: Cross multiply
    273,636.83x = 409,788.21 × 154,948.34
  4. Step 4: Simplify right side
    273,636.83x = 63,496,004,496.60
  5. Step 5: Solve for x
    x = 63,496,004,496.60/273,636.83
  6. Step 6: Final answer
    x = 232,044.80

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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.