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Finding the Fourth Proportional to 310,927.41, 429,081.66 and 174,963.65

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Solution

The fourth proportional to 310,927.41, 429,081.66 and 174,963.65 is: 241,450.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,927.41 : 429,081.66 = 174,963.65 : x
  2. Step 2: Convert to fraction form
    310,927.41/429,081.66 = 174,963.65/x
  3. Step 3: Cross multiply
    310,927.41x = 429,081.66 × 174,963.65
  4. Step 4: Simplify right side
    310,927.41x = 75,073,691,236.25
  5. Step 5: Solve for x
    x = 75,073,691,236.25/310,927.41
  6. Step 6: Final answer
    x = 241,450.86

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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.