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Finding the Fourth Proportional to 466,627.20, 700,286.40 and 308,803.20

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Solution

The fourth proportional to 466,627.20, 700,286.40 and 308,803.20 is: 463,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,627.20 : 700,286.40 = 308,803.20 : x
  2. Step 2: Convert to fraction form
    466,627.20/700,286.40 = 308,803.20/x
  3. Step 3: Cross multiply
    466,627.20x = 700,286.40 × 308,803.20
  4. Step 4: Simplify right side
    466,627.20x = 216,250,681,236.48
  5. Step 5: Solve for x
    x = 216,250,681,236.48/466,627.20
  6. Step 6: Final answer
    x = 463,433.51

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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.