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Finding the Fourth Proportional to 569,718, 785,973.28 and 327,942.72

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Solution

The fourth proportional to 569,718, 785,973.28 and 327,942.72 is: 452,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,718 : 785,973.28 = 327,942.72 : x
  2. Step 2: Convert to fraction form
    569,718/785,973.28 = 327,942.72/x
  3. Step 3: Cross multiply
    569,718x = 785,973.28 × 327,942.72
  4. Step 4: Simplify right side
    569,718x = 257,754,215,290.52
  5. Step 5: Solve for x
    x = 257,754,215,290.52/569,718
  6. Step 6: Final answer
    x = 452,424.21

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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.