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Finding the Fourth Proportional to 537,587.66, 741,832.69 and 319,784.33

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Solution

The fourth proportional to 537,587.66, 741,832.69 and 319,784.33 is: 441,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,587.66 : 741,832.69 = 319,784.33 : x
  2. Step 2: Convert to fraction form
    537,587.66/741,832.69 = 319,784.33/x
  3. Step 3: Cross multiply
    537,587.66x = 741,832.69 × 319,784.33
  4. Step 4: Simplify right side
    537,587.66x = 237,226,469,743.75
  5. Step 5: Solve for x
    x = 237,226,469,743.75/537,587.66
  6. Step 6: Final answer
    x = 441,279.60

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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.