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Finding the Fourth Proportional to 569,264.31, 785,749.95 and 327,717.45

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Solution

The fourth proportional to 569,264.31, 785,749.95 and 327,717.45 is: 452,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,264.31 : 785,749.95 = 327,717.45 : x
  2. Step 2: Convert to fraction form
    569,264.31/785,749.95 = 327,717.45/x
  3. Step 3: Cross multiply
    569,264.31x = 785,749.95 × 327,717.45
  4. Step 4: Simplify right side
    569,264.31x = 257,503,969,951.63
  5. Step 5: Solve for x
    x = 257,503,969,951.63/569,264.31
  6. Step 6: Final answer
    x = 452,345.19

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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.