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Finding the Fourth Proportional to 581,969.45, 803,110.10 and 327,320.63

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Solution

The fourth proportional to 581,969.45, 803,110.10 and 327,320.63 is: 451,698.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,969.45 : 803,110.10 = 327,320.63 : x
  2. Step 2: Convert to fraction form
    581,969.45/803,110.10 = 327,320.63/x
  3. Step 3: Cross multiply
    581,969.45x = 803,110.10 × 327,320.63
  4. Step 4: Simplify right side
    581,969.45x = 262,874,503,891.36
  5. Step 5: Solve for x
    x = 262,874,503,891.36/581,969.45
  6. Step 6: Final answer
    x = 451,698.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.