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Finding the Fourth Proportional to 526,399.24, 789,909.90 and 194,208.52

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Solution

The fourth proportional to 526,399.24, 789,909.90 and 194,208.52 is: 291,427.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,399.24 : 789,909.90 = 194,208.52 : x
  2. Step 2: Convert to fraction form
    526,399.24/789,909.90 = 194,208.52/x
  3. Step 3: Cross multiply
    526,399.24x = 789,909.90 × 194,208.52
  4. Step 4: Simplify right side
    526,399.24x = 153,407,232,612.35
  5. Step 5: Solve for x
    x = 153,407,232,612.35/526,399.24
  6. Step 6: Final answer
    x = 291,427.53

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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.