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Finding the Fourth Proportional to 444,387.48, 666,577.98 and 178,144.08

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Solution

The fourth proportional to 444,387.48, 666,577.98 and 178,144.08 is: 267,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,387.48 : 666,577.98 = 178,144.08 : x
  2. Step 2: Convert to fraction form
    444,387.48/666,577.98 = 178,144.08/x
  3. Step 3: Cross multiply
    444,387.48x = 666,577.98 × 178,144.08
  4. Step 4: Simplify right side
    444,387.48x = 118,746,920,995.36
  5. Step 5: Solve for x
    x = 118,746,920,995.36/444,387.48
  6. Step 6: Final answer
    x = 267,214.82

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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.