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Finding the Fourth Proportional to 692,874, 956,169 and 374,922

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Solution

The fourth proportional to 692,874, 956,169 and 374,922 is: 517,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,874 : 956,169 = 374,922 : x
  2. Step 2: Convert to fraction form
    692,874/956,169 = 374,922/x
  3. Step 3: Cross multiply
    692,874x = 956,169 × 374,922
  4. Step 4: Simplify right side
    692,874x = 358,488,793,818
  5. Step 5: Solve for x
    x = 358,488,793,818/692,874
  6. Step 6: Final answer
    x = 517,393.92

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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.