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Finding the Fourth Proportional to 240,617.70, 360,926.55 and 147,305.70

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Solution

The fourth proportional to 240,617.70, 360,926.55 and 147,305.70 is: 220,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,617.70 : 360,926.55 = 147,305.70 : x
  2. Step 2: Convert to fraction form
    240,617.70/360,926.55 = 147,305.70/x
  3. Step 3: Cross multiply
    240,617.70x = 360,926.55 × 147,305.70
  4. Step 4: Simplify right side
    240,617.70x = 53,166,538,096.34
  5. Step 5: Solve for x
    x = 53,166,538,096.34/240,617.70
  6. Step 6: Final answer
    x = 220,958.55

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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.