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Finding the Fourth Proportional to 276,035.10, 414,295.65 and 163,574.70

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Solution

The fourth proportional to 276,035.10, 414,295.65 and 163,574.70 is: 245,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,035.10 : 414,295.65 = 163,574.70 : x
  2. Step 2: Convert to fraction form
    276,035.10/414,295.65 = 163,574.70/x
  3. Step 3: Cross multiply
    276,035.10x = 414,295.65 × 163,574.70
  4. Step 4: Simplify right side
    276,035.10x = 67,768,286,660.06
  5. Step 5: Solve for x
    x = 67,768,286,660.06/276,035.10
  6. Step 6: Final answer
    x = 245,506.05

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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.