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Finding the Fourth Proportional to 676,499.76, 932,925.67 and 404,524.44

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Solution

The fourth proportional to 676,499.76, 932,925.67 and 404,524.44 is: 557,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,499.76 : 932,925.67 = 404,524.44 : x
  2. Step 2: Convert to fraction form
    676,499.76/932,925.67 = 404,524.44/x
  3. Step 3: Cross multiply
    676,499.76x = 932,925.67 × 404,524.44
  4. Step 4: Simplify right side
    676,499.76x = 377,391,233,207.06
  5. Step 5: Solve for x
    x = 377,391,233,207.06/676,499.76
  6. Step 6: Final answer
    x = 557,858.64

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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.