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Finding the Fourth Proportional to 504,272.25, 756,408.38 and 188,877.69

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Solution

The fourth proportional to 504,272.25, 756,408.38 and 188,877.69 is: 283,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,272.25 : 756,408.38 = 188,877.69 : x
  2. Step 2: Convert to fraction form
    504,272.25/756,408.38 = 188,877.69/x
  3. Step 3: Cross multiply
    504,272.25x = 756,408.38 × 188,877.69
  4. Step 4: Simplify right side
    504,272.25x = 142,868,666,566.65
  5. Step 5: Solve for x
    x = 142,868,666,566.65/504,272.25
  6. Step 6: Final answer
    x = 283,316.54

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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.