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Finding the Fourth Proportional to 308,047.20, 462,459.60 and 166,005.60

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Solution

The fourth proportional to 308,047.20, 462,459.60 and 166,005.60 is: 249,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,047.20 : 462,459.60 = 166,005.60 : x
  2. Step 2: Convert to fraction form
    308,047.20/462,459.60 = 166,005.60/x
  3. Step 3: Cross multiply
    308,047.20x = 462,459.60 × 166,005.60
  4. Step 4: Simplify right side
    308,047.20x = 76,770,883,373.76
  5. Step 5: Solve for x
    x = 76,770,883,373.76/308,047.20
  6. Step 6: Final answer
    x = 249,217.92

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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.