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Finding the Fourth Proportional to 467,708.02, 645,006.51 and 306,504.52

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Solution

The fourth proportional to 467,708.02, 645,006.51 and 306,504.52 is: 422,694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,708.02 : 645,006.51 = 306,504.52 : x
  2. Step 2: Convert to fraction form
    467,708.02/645,006.51 = 306,504.52/x
  3. Step 3: Cross multiply
    467,708.02x = 645,006.51 × 306,504.52
  4. Step 4: Simplify right side
    467,708.02x = 197,697,410,744.43
  5. Step 5: Solve for x
    x = 197,697,410,744.43/467,708.02
  6. Step 6: Final answer
    x = 422,694.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.