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Finding the Fourth Proportional to 319,752.68, 441,258.77 and 176,512.82

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Solution

The fourth proportional to 319,752.68, 441,258.77 and 176,512.82 is: 243,587.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,752.68 : 441,258.77 = 176,512.82 : x
  2. Step 2: Convert to fraction form
    319,752.68/441,258.77 = 176,512.82/x
  3. Step 3: Cross multiply
    319,752.68x = 441,258.77 × 176,512.82
  4. Step 4: Simplify right side
    319,752.68x = 77,887,829,842.43
  5. Step 5: Solve for x
    x = 77,887,829,842.43/319,752.68
  6. Step 6: Final answer
    x = 243,587.73

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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.