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Finding the Fourth Proportional to 319,710.41, 441,200.39 and 176,470.49

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Solution

The fourth proportional to 319,710.41, 441,200.39 and 176,470.49 is: 243,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,710.41 : 441,200.39 = 176,470.49 : x
  2. Step 2: Convert to fraction form
    319,710.41/441,200.39 = 176,470.49/x
  3. Step 3: Cross multiply
    319,710.41x = 441,200.39 × 176,470.49
  4. Step 4: Simplify right side
    319,710.41x = 77,858,845,923.14
  5. Step 5: Solve for x
    x = 77,858,845,923.14/319,710.41
  6. Step 6: Final answer
    x = 243,529.28

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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.