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Finding the Fourth Proportional to 440,114.40, 660,390.30 and 173,883.60

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Solution

The fourth proportional to 440,114.40, 660,390.30 and 173,883.60 is: 260,911.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,114.40 : 660,390.30 = 173,883.60 : x
  2. Step 2: Convert to fraction form
    440,114.40/660,390.30 = 173,883.60/x
  3. Step 3: Cross multiply
    440,114.40x = 660,390.30 × 173,883.60
  4. Step 4: Simplify right side
    440,114.40x = 114,831,042,769.08
  5. Step 5: Solve for x
    x = 114,831,042,769.08/440,114.40
  6. Step 6: Final answer
    x = 260,911.81

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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.