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Finding the Fourth Proportional to 440,113.40, 660,388.80 and 173,882.60

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Solution

The fourth proportional to 440,113.40, 660,388.80 and 173,882.60 is: 260,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,113.40 : 660,388.80 = 173,882.60 : x
  2. Step 2: Convert to fraction form
    440,113.40/660,388.80 = 173,882.60/x
  3. Step 3: Cross multiply
    440,113.40x = 660,388.80 × 173,882.60
  4. Step 4: Simplify right side
    440,113.40x = 114,830,121,554.88
  5. Step 5: Solve for x
    x = 114,830,121,554.88/440,113.40
  6. Step 6: Final answer
    x = 260,910.31

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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.