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Finding the Fourth Proportional to 440,150.40, 660,031.20 and 173,822.40

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Solution

The fourth proportional to 440,150.40, 660,031.20 and 173,822.40 is: 260,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,150.40 : 660,031.20 = 173,822.40 : x
  2. Step 2: Convert to fraction form
    440,150.40/660,031.20 = 173,822.40/x
  3. Step 3: Cross multiply
    440,150.40x = 660,031.20 × 173,822.40
  4. Step 4: Simplify right side
    440,150.40x = 114,728,207,258.88
  5. Step 5: Solve for x
    x = 114,728,207,258.88/440,150.40
  6. Step 6: Final answer
    x = 260,656.83

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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.