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Finding the Fourth Proportional to 466,401.40, 699,602.10 and 440,157.40

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Solution

The fourth proportional to 466,401.40, 699,602.10 and 440,157.40 is: 660,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,401.40 : 699,602.10 = 440,157.40 : x
  2. Step 2: Convert to fraction form
    466,401.40/699,602.10 = 440,157.40/x
  3. Step 3: Cross multiply
    466,401.40x = 699,602.10 × 440,157.40
  4. Step 4: Simplify right side
    466,401.40x = 307,935,041,370.54
  5. Step 5: Solve for x
    x = 307,935,041,370.54/466,401.40
  6. Step 6: Final answer
    x = 660,236.10

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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.