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Finding the Fourth Proportional to 555,791.64, 767,006.73 and 341,050.38

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Solution

The fourth proportional to 555,791.64, 767,006.73 and 341,050.38 is: 470,658.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,791.64 : 767,006.73 = 341,050.38 : x
  2. Step 2: Convert to fraction form
    555,791.64/767,006.73 = 341,050.38/x
  3. Step 3: Cross multiply
    555,791.64x = 767,006.73 × 341,050.38
  4. Step 4: Simplify right side
    555,791.64x = 261,587,936,729.06
  5. Step 5: Solve for x
    x = 261,587,936,729.06/555,791.64
  6. Step 6: Final answer
    x = 470,658.28

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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.