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Finding the Fourth Proportional to 504,067.80, 756,101.70 and 149,050.20

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Solution

The fourth proportional to 504,067.80, 756,101.70 and 149,050.20 is: 223,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,067.80 : 756,101.70 = 149,050.20 : x
  2. Step 2: Convert to fraction form
    504,067.80/756,101.70 = 149,050.20/x
  3. Step 3: Cross multiply
    504,067.80x = 756,101.70 × 149,050.20
  4. Step 4: Simplify right side
    504,067.80x = 112,697,109,605.34
  5. Step 5: Solve for x
    x = 112,697,109,605.34/504,067.80
  6. Step 6: Final answer
    x = 223,575.30

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Double scale
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Similar ratio
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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.