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Finding the Fourth Proportional to 569,617.64, 786,270.29 and 327,996.51

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Solution

The fourth proportional to 569,617.64, 786,270.29 and 327,996.51 is: 452,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,617.64 : 786,270.29 = 327,996.51 : x
  2. Step 2: Convert to fraction form
    569,617.64/786,270.29 = 327,996.51/x
  3. Step 3: Cross multiply
    569,617.64x = 786,270.29 × 327,996.51
  4. Step 4: Simplify right side
    569,617.64x = 257,893,909,396.71
  5. Step 5: Solve for x
    x = 257,893,909,396.71/569,617.64
  6. Step 6: Final answer
    x = 452,749.17

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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.