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Finding the Fourth Proportional to 444,393.04, 666,813.12 and 178,343.68

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Solution

The fourth proportional to 444,393.04, 666,813.12 and 178,343.68 is: 267,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,393.04 : 666,813.12 = 178,343.68 : x
  2. Step 2: Convert to fraction form
    444,393.04/666,813.12 = 178,343.68/x
  3. Step 3: Cross multiply
    444,393.04x = 666,813.12 × 178,343.68
  4. Step 4: Simplify right side
    444,393.04x = 118,921,905,693.08
  5. Step 5: Solve for x
    x = 118,921,905,693.08/444,393.04
  6. Step 6: Final answer
    x = 267,605.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.