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Finding the Fourth Proportional to 575,076.56, 793,651.26 and 316,999.39

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Solution

The fourth proportional to 575,076.56, 793,651.26 and 316,999.39 is: 437,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,076.56 : 793,651.26 = 316,999.39 : x
  2. Step 2: Convert to fraction form
    575,076.56/793,651.26 = 316,999.39/x
  3. Step 3: Cross multiply
    575,076.56x = 793,651.26 × 316,999.39
  4. Step 4: Simplify right side
    575,076.56x = 251,586,965,985.45
  5. Step 5: Solve for x
    x = 251,586,965,985.45/575,076.56
  6. Step 6: Final answer
    x = 437,484.30

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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.