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Finding the Fourth Proportional to 570,969.60, 856,252.80 and 196,905.60

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Solution

The fourth proportional to 570,969.60, 856,252.80 and 196,905.60 is: 295,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,969.60 : 856,252.80 = 196,905.60 : x
  2. Step 2: Convert to fraction form
    570,969.60/856,252.80 = 196,905.60/x
  3. Step 3: Cross multiply
    570,969.60x = 856,252.80 × 196,905.60
  4. Step 4: Simplify right side
    570,969.60x = 168,600,971,335.68
  5. Step 5: Solve for x
    x = 168,600,971,335.68/570,969.60
  6. Step 6: Final answer
    x = 295,288.88

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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.