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Finding the Fourth Proportional to 692,877, 956,173.14 and 374,925

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Solution

The fourth proportional to 692,877, 956,173.14 and 374,925 is: 517,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,877 : 956,173.14 = 374,925 : x
  2. Step 2: Convert to fraction form
    692,877/956,173.14 = 374,925/x
  3. Step 3: Cross multiply
    692,877x = 956,173.14 × 374,925
  4. Step 4: Simplify right side
    692,877x = 358,493,214,514.50
  5. Step 5: Solve for x
    x = 358,493,214,514.50/692,877
  6. Step 6: Final answer
    x = 517,398.06

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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.