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Finding the Fourth Proportional to 536,652.13, 804,969.97 and 137,289.52

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Solution

The fourth proportional to 536,652.13, 804,969.97 and 137,289.52 is: 205,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,652.13 : 804,969.97 = 137,289.52 : x
  2. Step 2: Convert to fraction form
    536,652.13/804,969.97 = 137,289.52/x
  3. Step 3: Cross multiply
    536,652.13x = 804,969.97 × 137,289.52
  4. Step 4: Simplify right side
    536,652.13x = 110,513,940,795.71
  5. Step 5: Solve for x
    x = 110,513,940,795.71/536,652.13
  6. Step 6: Final answer
    x = 205,932.18

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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.