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Finding the Fourth Proportional to 574,873.61, 793,343.57 and 329,903.18

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Solution

The fourth proportional to 574,873.61, 793,343.57 and 329,903.18 is: 455,276.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,873.61 : 793,343.57 = 329,903.18 : x
  2. Step 2: Convert to fraction form
    574,873.61/793,343.57 = 329,903.18/x
  3. Step 3: Cross multiply
    574,873.61x = 793,343.57 × 329,903.18
  4. Step 4: Simplify right side
    574,873.61x = 261,726,560,959.32
  5. Step 5: Solve for x
    x = 261,726,560,959.32/574,873.61
  6. Step 6: Final answer
    x = 455,276.71

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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.