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Finding the Fourth Proportional to 567,675.57, 783,375.53 and 313,026.69

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Solution

The fourth proportional to 567,675.57, 783,375.53 and 313,026.69 is: 431,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,675.57 : 783,375.53 = 313,026.69 : x
  2. Step 2: Convert to fraction form
    567,675.57/783,375.53 = 313,026.69/x
  3. Step 3: Cross multiply
    567,675.57x = 783,375.53 × 313,026.69
  4. Step 4: Simplify right side
    567,675.57x = 245,217,447,617.76
  5. Step 5: Solve for x
    x = 245,217,447,617.76/567,675.57
  6. Step 6: Final answer
    x = 431,967.59

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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.