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Finding the Fourth Proportional to 538,222.70, 807,443.40 and 183,272.60

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Solution

The fourth proportional to 538,222.70, 807,443.40 and 183,272.60 is: 274,946.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,222.70 : 807,443.40 = 183,272.60 : x
  2. Step 2: Convert to fraction form
    538,222.70/807,443.40 = 183,272.60/x
  3. Step 3: Cross multiply
    538,222.70x = 807,443.40 × 183,272.60
  4. Step 4: Simplify right side
    538,222.70x = 147,982,251,270.84
  5. Step 5: Solve for x
    x = 147,982,251,270.84/538,222.70
  6. Step 6: Final answer
    x = 274,946.14

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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.