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Finding the Fourth Proportional to 323,799.10, 485,698.65 and 303,063.10

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Solution

The fourth proportional to 323,799.10, 485,698.65 and 303,063.10 is: 454,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,799.10 : 485,698.65 = 303,063.10 : x
  2. Step 2: Convert to fraction form
    323,799.10/485,698.65 = 303,063.10/x
  3. Step 3: Cross multiply
    323,799.10x = 485,698.65 × 303,063.10
  4. Step 4: Simplify right side
    323,799.10x = 147,197,338,534.82
  5. Step 5: Solve for x
    x = 147,197,338,534.82/323,799.10
  6. Step 6: Final answer
    x = 454,594.65

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1.5x scale

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.