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Finding the Fourth Proportional to 536,222.28, 804,332.70 and 136,863.06

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Solution

The fourth proportional to 536,222.28, 804,332.70 and 136,863.06 is: 205,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,222.28 : 804,332.70 = 136,863.06 : x
  2. Step 2: Convert to fraction form
    536,222.28/804,332.70 = 136,863.06/x
  3. Step 3: Cross multiply
    536,222.28x = 804,332.70 × 136,863.06
  4. Step 4: Simplify right side
    536,222.28x = 110,083,434,580.06
  5. Step 5: Solve for x
    x = 110,083,434,580.06/536,222.28
  6. Step 6: Final answer
    x = 205,294.41

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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.