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Finding the Fourth Proportional to 628,559.87, 867,595.73 and 410,800.28

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Solution

The fourth proportional to 628,559.87, 867,595.73 and 410,800.28 is: 567,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,559.87 : 867,595.73 = 410,800.28 : x
  2. Step 2: Convert to fraction form
    628,559.87/867,595.73 = 410,800.28/x
  3. Step 3: Cross multiply
    628,559.87x = 867,595.73 × 410,800.28
  4. Step 4: Simplify right side
    628,559.87x = 356,408,562,418.82
  5. Step 5: Solve for x
    x = 356,408,562,418.82/628,559.87
  6. Step 6: Final answer
    x = 567,024.05

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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.