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Finding the Fourth Proportional to 444,328.20, 665,909.10 and 177,870.60

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Solution

The fourth proportional to 444,328.20, 665,909.10 and 177,870.60 is: 266,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,328.20 : 665,909.10 = 177,870.60 : x
  2. Step 2: Convert to fraction form
    444,328.20/665,909.10 = 177,870.60/x
  3. Step 3: Cross multiply
    444,328.20x = 665,909.10 × 177,870.60
  4. Step 4: Simplify right side
    444,328.20x = 118,445,651,162.46
  5. Step 5: Solve for x
    x = 118,445,651,162.46/444,328.20
  6. Step 6: Final answer
    x = 266,572.44

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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.