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Finding the Fourth Proportional to 675,781.94, 932,581.56 and 365,684.54

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Solution

The fourth proportional to 675,781.94, 932,581.56 and 365,684.54 is: 504,646.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,781.94 : 932,581.56 = 365,684.54 : x
  2. Step 2: Convert to fraction form
    675,781.94/932,581.56 = 365,684.54/x
  3. Step 3: Cross multiply
    675,781.94x = 932,581.56 × 365,684.54
  4. Step 4: Simplify right side
    675,781.94x = 341,030,658,781.08
  5. Step 5: Solve for x
    x = 341,030,658,781.08/675,781.94
  6. Step 6: Final answer
    x = 504,646.01

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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.