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Finding the Fourth Proportional to 504,298.17, 756,676.89 and 188,779.68

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Solution

The fourth proportional to 504,298.17, 756,676.89 and 188,779.68 is: 283,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,298.17 : 756,676.89 = 188,779.68 : x
  2. Step 2: Convert to fraction form
    504,298.17/756,676.89 = 188,779.68/x
  3. Step 3: Cross multiply
    504,298.17x = 756,676.89 × 188,779.68
  4. Step 4: Simplify right side
    504,298.17x = 142,845,221,157.60
  5. Step 5: Solve for x
    x = 142,845,221,157.60/504,298.17
  6. Step 6: Final answer
    x = 283,255.48

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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.