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Finding the Fourth Proportional to 450,807.84, 622,113.84 and 259,819.92

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Solution

The fourth proportional to 450,807.84, 622,113.84 and 259,819.92 is: 358,550.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,807.84 : 622,113.84 = 259,819.92 : x
  2. Step 2: Convert to fraction form
    450,807.84/622,113.84 = 259,819.92/x
  3. Step 3: Cross multiply
    450,807.84x = 622,113.84 × 259,819.92
  4. Step 4: Simplify right side
    450,807.84x = 161,637,568,139.69
  5. Step 5: Solve for x
    x = 161,637,568,139.69/450,807.84
  6. Step 6: Final answer
    x = 358,550.93

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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.