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Finding the Fourth Proportional to 319,544.77, 441,010.83 and 183,578.46

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Solution

The fourth proportional to 319,544.77, 441,010.83 and 183,578.46 is: 253,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,544.77 : 441,010.83 = 183,578.46 : x
  2. Step 2: Convert to fraction form
    319,544.77/441,010.83 = 183,578.46/x
  3. Step 3: Cross multiply
    319,544.77x = 441,010.83 × 183,578.46
  4. Step 4: Simplify right side
    319,544.77x = 80,960,089,014.72
  5. Step 5: Solve for x
    x = 80,960,089,014.72/319,544.77
  6. Step 6: Final answer
    x = 253,360.71

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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.