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Finding the Fourth Proportional to 574,873.72, 793,326.48 and 313,227.64

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Solution

The fourth proportional to 574,873.72, 793,326.48 and 313,227.64 is: 432,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,873.72 : 793,326.48 = 313,227.64 : x
  2. Step 2: Convert to fraction form
    574,873.72/793,326.48 = 313,227.64/x
  3. Step 3: Cross multiply
    574,873.72x = 793,326.48 × 313,227.64
  4. Step 4: Simplify right side
    574,873.72x = 248,491,781,079.91
  5. Step 5: Solve for x
    x = 248,491,781,079.91/574,873.72
  6. Step 6: Final answer
    x = 432,254.55

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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.