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Finding the Fourth Proportional to 360,214.05, 540,347.81 and 107,474.61

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Solution

The fourth proportional to 360,214.05, 540,347.81 and 107,474.61 is: 161,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,214.05 : 540,347.81 = 107,474.61 : x
  2. Step 2: Convert to fraction form
    360,214.05/540,347.81 = 107,474.61/x
  3. Step 3: Cross multiply
    360,214.05x = 540,347.81 × 107,474.61
  4. Step 4: Simplify right side
    360,214.05x = 58,073,669,606.73
  5. Step 5: Solve for x
    x = 58,073,669,606.73/360,214.05
  6. Step 6: Final answer
    x = 161,219.89

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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.