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Finding the Fourth Proportional to 581,983.76, 873,012.60 and 182,640.32

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Solution

The fourth proportional to 581,983.76, 873,012.60 and 182,640.32 is: 273,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,983.76 : 873,012.60 = 182,640.32 : x
  2. Step 2: Convert to fraction form
    581,983.76/873,012.60 = 182,640.32/x
  3. Step 3: Cross multiply
    581,983.76x = 873,012.60 × 182,640.32
  4. Step 4: Simplify right side
    581,983.76x = 159,447,300,628.03
  5. Step 5: Solve for x
    x = 159,447,300,628.03/581,983.76
  6. Step 6: Final answer
    x = 273,972.08

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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.