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Finding the Fourth Proportional to 236,538.60, 354,807.90 and 201,109.20

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Solution

The fourth proportional to 236,538.60, 354,807.90 and 201,109.20 is: 301,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,538.60 : 354,807.90 = 201,109.20 : x
  2. Step 2: Convert to fraction form
    236,538.60/354,807.90 = 201,109.20/x
  3. Step 3: Cross multiply
    236,538.60x = 354,807.90 × 201,109.20
  4. Step 4: Simplify right side
    236,538.60x = 71,355,132,922.68
  5. Step 5: Solve for x
    x = 71,355,132,922.68/236,538.60
  6. Step 6: Final answer
    x = 301,663.80

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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.