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Finding the Fourth Proportional to 235,627.80, 353,441.70 and 232,128.60

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Solution

The fourth proportional to 235,627.80, 353,441.70 and 232,128.60 is: 348,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,627.80 : 353,441.70 = 232,128.60 : x
  2. Step 2: Convert to fraction form
    235,627.80/353,441.70 = 232,128.60/x
  3. Step 3: Cross multiply
    235,627.80x = 353,441.70 × 232,128.60
  4. Step 4: Simplify right side
    235,627.80x = 82,043,927,002.62
  5. Step 5: Solve for x
    x = 82,043,927,002.62/235,627.80
  6. Step 6: Final answer
    x = 348,192.90

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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.