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Finding the Fourth Proportional to 310,905.70, 466,358.55 and 111,232.60

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Solution

The fourth proportional to 310,905.70, 466,358.55 and 111,232.60 is: 166,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,905.70 : 466,358.55 = 111,232.60 : x
  2. Step 2: Convert to fraction form
    310,905.70/466,358.55 = 111,232.60/x
  3. Step 3: Cross multiply
    310,905.70x = 466,358.55 × 111,232.60
  4. Step 4: Simplify right side
    310,905.70x = 51,874,274,048.73
  5. Step 5: Solve for x
    x = 51,874,274,048.73/310,905.70
  6. Step 6: Final answer
    x = 166,848.90

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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.