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Finding the Fourth Proportional to 547,606.18, 821,487.12 and 168,558.52

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Solution

The fourth proportional to 547,606.18, 821,487.12 and 168,558.52 is: 252,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,606.18 : 821,487.12 = 168,558.52 : x
  2. Step 2: Convert to fraction form
    547,606.18/821,487.12 = 168,558.52/x
  3. Step 3: Cross multiply
    547,606.18x = 821,487.12 × 168,558.52
  4. Step 4: Simplify right side
    547,606.18x = 138,468,653,146.26
  5. Step 5: Solve for x
    x = 138,468,653,146.26/547,606.18
  6. Step 6: Final answer
    x = 252,861.74

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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.