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Finding the Fourth Proportional to 834,808.61, 1,252,262.64 and 322,477.67

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Solution

The fourth proportional to 834,808.61, 1,252,262.64 and 322,477.67 is: 483,735.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,808.61 : 1,252,262.64 = 322,477.67 : x
  2. Step 2: Convert to fraction form
    834,808.61/1,252,262.64 = 322,477.67/x
  3. Step 3: Cross multiply
    834,808.61x = 1,252,262.64 × 322,477.67
  4. Step 4: Simplify right side
    834,808.61x = 403,826,738,375.25
  5. Step 5: Solve for x
    x = 403,826,738,375.25/834,808.61
  6. Step 6: Final answer
    x = 483,735.71

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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.