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Finding the Fourth Proportional to 235,632.80, 353,449.20 and 232,133.60

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Solution

The fourth proportional to 235,632.80, 353,449.20 and 232,133.60 is: 348,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,632.80 : 353,449.20 = 232,133.60 : x
  2. Step 2: Convert to fraction form
    235,632.80/353,449.20 = 232,133.60/x
  3. Step 3: Cross multiply
    235,632.80x = 353,449.20 × 232,133.60
  4. Step 4: Simplify right side
    235,632.80x = 82,047,435,213.12
  5. Step 5: Solve for x
    x = 82,047,435,213.12/235,632.80
  6. Step 6: Final answer
    x = 348,200.40

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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.