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Finding the Fourth Proportional to 379,748.40, 524,066.40 and 226,852.80

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Solution

The fourth proportional to 379,748.40, 524,066.40 and 226,852.80 is: 313,064.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,748.40 : 524,066.40 = 226,852.80 : x
  2. Step 2: Convert to fraction form
    379,748.40/524,066.40 = 226,852.80/x
  3. Step 3: Cross multiply
    379,748.40x = 524,066.40 × 226,852.80
  4. Step 4: Simplify right side
    379,748.40x = 118,885,930,225.92
  5. Step 5: Solve for x
    x = 118,885,930,225.92/379,748.40
  6. Step 6: Final answer
    x = 313,064.99

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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.