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Finding the Fourth Proportional to 706,375.88, 974,791.62 and 384,086.06

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Solution

The fourth proportional to 706,375.88, 974,791.62 and 384,086.06 is: 530,034.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,375.88 : 974,791.62 = 384,086.06 : x
  2. Step 2: Convert to fraction form
    706,375.88/974,791.62 = 384,086.06/x
  3. Step 3: Cross multiply
    706,375.88x = 974,791.62 × 384,086.06
  4. Step 4: Simplify right side
    706,375.88x = 374,403,872,646.82
  5. Step 5: Solve for x
    x = 374,403,872,646.82/706,375.88
  6. Step 6: Final answer
    x = 530,034.91

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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.