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Finding the Fourth Proportional to 692,843, 956,126.22 and 374,891

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Solution

The fourth proportional to 692,843, 956,126.22 and 374,891 is: 517,351.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,843 : 956,126.22 = 374,891 : x
  2. Step 2: Convert to fraction form
    692,843/956,126.22 = 374,891/x
  3. Step 3: Cross multiply
    692,843x = 956,126.22 × 374,891
  4. Step 4: Simplify right side
    692,843x = 358,443,114,742.02
  5. Step 5: Solve for x
    x = 358,443,114,742.02/692,843
  6. Step 6: Final answer
    x = 517,351.14

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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.