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Finding the Fourth Proportional to 321,881.04, 444,174.84 and 178,634.16

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Solution

The fourth proportional to 321,881.04, 444,174.84 and 178,634.16 is: 246,503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,881.04 : 444,174.84 = 178,634.16 : x
  2. Step 2: Convert to fraction form
    321,881.04/444,174.84 = 178,634.16/x
  3. Step 3: Cross multiply
    321,881.04x = 444,174.84 × 178,634.16
  4. Step 4: Simplify right side
    321,881.04x = 79,344,799,436.53
  5. Step 5: Solve for x
    x = 79,344,799,436.53/321,881.04
  6. Step 6: Final answer
    x = 246,503.49

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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.