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Finding the Fourth Proportional to 580,622.45, 801,309.50 and 322,549.59

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Solution

The fourth proportional to 580,622.45, 801,309.50 and 322,549.59 is: 445,146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,622.45 : 801,309.50 = 322,549.59 : x
  2. Step 2: Convert to fraction form
    580,622.45/801,309.50 = 322,549.59/x
  3. Step 3: Cross multiply
    580,622.45x = 801,309.50 × 322,549.59
  4. Step 4: Simplify right side
    580,622.45x = 258,462,049,075.36
  5. Step 5: Solve for x
    x = 258,462,049,075.36/580,622.45
  6. Step 6: Final answer
    x = 445,146.50

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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.