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Finding the Fourth Proportional to 526,462.62, 789,693.12 and 171,476.07

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Solution

The fourth proportional to 526,462.62, 789,693.12 and 171,476.07 is: 257,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,462.62 : 789,693.12 = 171,476.07 : x
  2. Step 2: Convert to fraction form
    526,462.62/789,693.12 = 171,476.07/x
  3. Step 3: Cross multiply
    526,462.62x = 789,693.12 × 171,476.07
  4. Step 4: Simplify right side
    526,462.62x = 135,413,472,723.64
  5. Step 5: Solve for x
    x = 135,413,472,723.64/526,462.62
  6. Step 6: Final answer
    x = 257,213.84

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1.5x scale

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.