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Finding the Fourth Proportional to 236,533.20, 354,799.80 and 213,205.20

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Solution

The fourth proportional to 236,533.20, 354,799.80 and 213,205.20 is: 319,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,533.20 : 354,799.80 = 213,205.20 : x
  2. Step 2: Convert to fraction form
    236,533.20/354,799.80 = 213,205.20/x
  3. Step 3: Cross multiply
    236,533.20x = 354,799.80 × 213,205.20
  4. Step 4: Simplify right side
    236,533.20x = 75,645,162,318.96
  5. Step 5: Solve for x
    x = 75,645,162,318.96/236,533.20
  6. Step 6: Final answer
    x = 319,807.80

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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.