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Finding the Fourth Proportional to 526,652.56, 789,978.84 and 289,873.36

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Solution

The fourth proportional to 526,652.56, 789,978.84 and 289,873.36 is: 434,810.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,652.56 : 789,978.84 = 289,873.36 : x
  2. Step 2: Convert to fraction form
    526,652.56/789,978.84 = 289,873.36/x
  3. Step 3: Cross multiply
    526,652.56x = 789,978.84 × 289,873.36
  4. Step 4: Simplify right side
    526,652.56x = 228,993,820,679.70
  5. Step 5: Solve for x
    x = 228,993,820,679.70/526,652.56
  6. Step 6: Final answer
    x = 434,810.04

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Similar ratio
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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.