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Finding the Fourth Proportional to 543,576.04, 815,335.26 and 169,556.20

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Solution

The fourth proportional to 543,576.04, 815,335.26 and 169,556.20 is: 254,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,576.04 : 815,335.26 = 169,556.20 : x
  2. Step 2: Convert to fraction form
    543,576.04/815,335.26 = 169,556.20/x
  3. Step 3: Cross multiply
    543,576.04x = 815,335.26 × 169,556.20
  4. Step 4: Simplify right side
    543,576.04x = 138,245,148,411.61
  5. Step 5: Solve for x
    x = 138,245,148,411.61/543,576.04
  6. Step 6: Final answer
    x = 254,325.32

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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.