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Finding the Fourth Proportional to 508,175.31, 701,264.29 and 281,841.87

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Solution

The fourth proportional to 508,175.31, 701,264.29 and 281,841.87 is: 388,932.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,175.31 : 701,264.29 = 281,841.87 : x
  2. Step 2: Convert to fraction form
    508,175.31/701,264.29 = 281,841.87/x
  3. Step 3: Cross multiply
    508,175.31x = 701,264.29 × 281,841.87
  4. Step 4: Simplify right side
    508,175.31x = 197,645,638,857.82
  5. Step 5: Solve for x
    x = 197,645,638,857.82/508,175.31
  6. Step 6: Final answer
    x = 388,932.00

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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.