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Finding the Fourth Proportional to 692,464, 955,600.56 and 374,512

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Solution

The fourth proportional to 692,464, 955,600.56 and 374,512 is: 516,826.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,464 : 955,600.56 = 374,512 : x
  2. Step 2: Convert to fraction form
    692,464/955,600.56 = 374,512/x
  3. Step 3: Cross multiply
    692,464x = 955,600.56 × 374,512
  4. Step 4: Simplify right side
    692,464x = 357,883,876,926.72
  5. Step 5: Solve for x
    x = 357,883,876,926.72/692,464
  6. Step 6: Final answer
    x = 516,826.69

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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.