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Finding the Fourth Proportional to 319,632.88, 441,092.94 and 176,392.96

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Solution

The fourth proportional to 319,632.88, 441,092.94 and 176,392.96 is: 243,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,632.88 : 441,092.94 = 176,392.96 : x
  2. Step 2: Convert to fraction form
    319,632.88/441,092.94 = 176,392.96/x
  3. Step 3: Cross multiply
    319,632.88x = 441,092.94 × 176,392.96
  4. Step 4: Simplify right side
    319,632.88x = 77,805,689,321.70
  5. Step 5: Solve for x
    x = 77,805,689,321.70/319,632.88
  6. Step 6: Final answer
    x = 243,422.05

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1.5x scale

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.