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Finding the Fourth Proportional to 547,602.18, 821,481.11 and 168,554.52

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Solution

The fourth proportional to 547,602.18, 821,481.11 and 168,554.52 is: 252,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,602.18 : 821,481.11 = 168,554.52 : x
  2. Step 2: Convert to fraction form
    547,602.18/821,481.11 = 168,554.52/x
  3. Step 3: Cross multiply
    547,602.18x = 821,481.11 × 168,554.52
  4. Step 4: Simplify right side
    547,602.18x = 138,464,354,185.12
  5. Step 5: Solve for x
    x = 138,464,354,185.12/547,602.18
  6. Step 6: Final answer
    x = 252,855.74

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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.