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Finding the Fourth Proportional to 361,355.06, 498,673.95 and 200,212.63

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Solution

The fourth proportional to 361,355.06, 498,673.95 and 200,212.63 is: 276,295.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,355.06 : 498,673.95 = 200,212.63 : x
  2. Step 2: Convert to fraction form
    361,355.06/498,673.95 = 200,212.63/x
  3. Step 3: Cross multiply
    361,355.06x = 498,673.95 × 200,212.63
  4. Step 4: Simplify right side
    361,355.06x = 99,840,823,041.99
  5. Step 5: Solve for x
    x = 99,840,823,041.99/361,355.06
  6. Step 6: Final answer
    x = 276,295.63

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1.5x scale

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.