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Finding the Fourth Proportional to 504,506.85, 695,791.11 and 426,307.92

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Solution

The fourth proportional to 504,506.85, 695,791.11 and 426,307.92 is: 587,942.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,506.85 : 695,791.11 = 426,307.92 : x
  2. Step 2: Convert to fraction form
    504,506.85/695,791.11 = 426,307.92/x
  3. Step 3: Cross multiply
    504,506.85x = 695,791.11 × 426,307.92
  4. Step 4: Simplify right side
    504,506.85x = 296,621,260,858.59
  5. Step 5: Solve for x
    x = 296,621,260,858.59/504,506.85
  6. Step 6: Final answer
    x = 587,942.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.