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Finding the Fourth Proportional to 523,993.42, 786,143.22 and 168,999.58

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Solution

The fourth proportional to 523,993.42, 786,143.22 and 168,999.58 is: 253,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,993.42 : 786,143.22 = 168,999.58 : x
  2. Step 2: Convert to fraction form
    523,993.42/786,143.22 = 168,999.58/x
  3. Step 3: Cross multiply
    523,993.42x = 786,143.22 × 168,999.58
  4. Step 4: Simplify right side
    523,993.42x = 132,857,873,999.85
  5. Step 5: Solve for x
    x = 132,857,873,999.85/523,993.42
  6. Step 6: Final answer
    x = 253,548.74

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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.