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Finding the Fourth Proportional to 531,218, 733,080.84 and 292,754

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Solution

The fourth proportional to 531,218, 733,080.84 and 292,754 is: 404,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,218 : 733,080.84 = 292,754 : x
  2. Step 2: Convert to fraction form
    531,218/733,080.84 = 292,754/x
  3. Step 3: Cross multiply
    531,218x = 733,080.84 × 292,754
  4. Step 4: Simplify right side
    531,218x = 214,612,348,233.36
  5. Step 5: Solve for x
    x = 214,612,348,233.36/531,218
  6. Step 6: Final answer
    x = 404,000.52

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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.