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Finding the Fourth Proportional to 364,843.98, 547,267.80 and 164,930.28

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Solution

The fourth proportional to 364,843.98, 547,267.80 and 164,930.28 is: 247,396.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,843.98 : 547,267.80 = 164,930.28 : x
  2. Step 2: Convert to fraction form
    364,843.98/547,267.80 = 164,930.28/x
  3. Step 3: Cross multiply
    364,843.98x = 547,267.80 × 164,930.28
  4. Step 4: Simplify right side
    364,843.98x = 90,261,031,488.98
  5. Step 5: Solve for x
    x = 90,261,031,488.98/364,843.98
  6. Step 6: Final answer
    x = 247,396.25

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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.