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Finding the Fourth Proportional to 303,609.60, 455,025.60 and 233,139.60

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Solution

The fourth proportional to 303,609.60, 455,025.60 and 233,139.60 is: 349,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,609.60 : 455,025.60 = 233,139.60 : x
  2. Step 2: Convert to fraction form
    303,609.60/455,025.60 = 233,139.60/x
  3. Step 3: Cross multiply
    303,609.60x = 455,025.60 × 233,139.60
  4. Step 4: Simplify right side
    303,609.60x = 106,084,486,373.76
  5. Step 5: Solve for x
    x = 106,084,486,373.76/303,609.60
  6. Step 6: Final answer
    x = 349,410.84

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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.