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Finding the Fourth Proportional to 236,540.60, 354,810.90 and 201,111.20

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Solution

The fourth proportional to 236,540.60, 354,810.90 and 201,111.20 is: 301,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,540.60 : 354,810.90 = 201,111.20 : x
  2. Step 2: Convert to fraction form
    236,540.60/354,810.90 = 201,111.20/x
  3. Step 3: Cross multiply
    236,540.60x = 354,810.90 × 201,111.20
  4. Step 4: Simplify right side
    236,540.60x = 71,356,445,872.08
  5. Step 5: Solve for x
    x = 71,356,445,872.08/236,540.60
  6. Step 6: Final answer
    x = 301,666.80

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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.