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Finding the Fourth Proportional to 590,094.40, 885,429.60 and 274,388.80

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Solution

The fourth proportional to 590,094.40, 885,429.60 and 274,388.80 is: 411,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,094.40 : 885,429.60 = 274,388.80 : x
  2. Step 2: Convert to fraction form
    590,094.40/885,429.60 = 274,388.80/x
  3. Step 3: Cross multiply
    590,094.40x = 885,429.60 × 274,388.80
  4. Step 4: Simplify right side
    590,094.40x = 242,951,965,428.48
  5. Step 5: Solve for x
    x = 242,951,965,428.48/590,094.40
  6. Step 6: Final answer
    x = 411,717.12

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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.