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Finding the Fourth Proportional to 273,886.20, 411,218.10 and 168,910.20

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Solution

The fourth proportional to 273,886.20, 411,218.10 and 168,910.20 is: 253,605.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,886.20 : 411,218.10 = 168,910.20 : x
  2. Step 2: Convert to fraction form
    273,886.20/411,218.10 = 168,910.20/x
  3. Step 3: Cross multiply
    273,886.20x = 411,218.10 × 168,910.20
  4. Step 4: Simplify right side
    273,886.20x = 69,458,931,514.62
  5. Step 5: Solve for x
    x = 69,458,931,514.62/273,886.20
  6. Step 6: Final answer
    x = 253,605.08

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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.