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Finding the Fourth Proportional to 568,090.64, 783,255.99 and 363,805.71

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Solution

The fourth proportional to 568,090.64, 783,255.99 and 363,805.71 is: 501,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,090.64 : 783,255.99 = 363,805.71 : x
  2. Step 2: Convert to fraction form
    568,090.64/783,255.99 = 363,805.71/x
  3. Step 3: Cross multiply
    568,090.64x = 783,255.99 × 363,805.71
  4. Step 4: Simplify right side
    568,090.64x = 284,952,999,980.76
  5. Step 5: Solve for x
    x = 284,952,999,980.76/568,090.64
  6. Step 6: Final answer
    x = 501,597.77

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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.