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Finding the Fourth Proportional to 301,871.60, 452,807.40 and 202,338.80

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Solution

The fourth proportional to 301,871.60, 452,807.40 and 202,338.80 is: 303,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,871.60 : 452,807.40 = 202,338.80 : x
  2. Step 2: Convert to fraction form
    301,871.60/452,807.40 = 202,338.80/x
  3. Step 3: Cross multiply
    301,871.60x = 452,807.40 × 202,338.80
  4. Step 4: Simplify right side
    301,871.60x = 91,620,505,947.12
  5. Step 5: Solve for x
    x = 91,620,505,947.12/301,871.60
  6. Step 6: Final answer
    x = 303,508.20

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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.