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Finding the Fourth Proportional to 361,448.67, 498,793.07 and 200,303.39

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Solution

The fourth proportional to 361,448.67, 498,793.07 and 200,303.39 is: 276,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,448.67 : 498,793.07 = 200,303.39 : x
  2. Step 2: Convert to fraction form
    361,448.67/498,793.07 = 200,303.39/x
  3. Step 3: Cross multiply
    361,448.67x = 498,793.07 × 200,303.39
  4. Step 4: Simplify right side
    361,448.67x = 99,909,942,829.51
  5. Step 5: Solve for x
    x = 99,909,942,829.51/361,448.67
  6. Step 6: Final answer
    x = 276,415.30

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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.