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Finding the Fourth Proportional to 504,508.58, 756,741 and 125,421.38

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Solution

The fourth proportional to 504,508.58, 756,741 and 125,421.38 is: 188,126.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,508.58 : 756,741 = 125,421.38 : x
  2. Step 2: Convert to fraction form
    504,508.58/756,741 = 125,421.38/x
  3. Step 3: Cross multiply
    504,508.58x = 756,741 × 125,421.38
  4. Step 4: Simplify right side
    504,508.58x = 94,911,500,522.58
  5. Step 5: Solve for x
    x = 94,911,500,522.58/504,508.58
  6. Step 6: Final answer
    x = 188,126.63

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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.