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Finding the Fourth Proportional to 538,960.50, 808,206.03 and 154,624.55

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Solution

The fourth proportional to 538,960.50, 808,206.03 and 154,624.55 is: 231,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,960.50 : 808,206.03 = 154,624.55 : x
  2. Step 2: Convert to fraction form
    538,960.50/808,206.03 = 154,624.55/x
  3. Step 3: Cross multiply
    538,960.50x = 808,206.03 × 154,624.55
  4. Step 4: Simplify right side
    538,960.50x = 124,968,489,655.01
  5. Step 5: Solve for x
    x = 124,968,489,655.01/538,960.50
  6. Step 6: Final answer
    x = 231,869.48

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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.