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Finding the Fourth Proportional to 537,390.72, 806,056.86 and 163,384.56

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Solution

The fourth proportional to 537,390.72, 806,056.86 and 163,384.56 is: 245,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,390.72 : 806,056.86 = 163,384.56 : x
  2. Step 2: Convert to fraction form
    537,390.72/806,056.86 = 163,384.56/x
  3. Step 3: Cross multiply
    537,390.72x = 806,056.86 × 163,384.56
  4. Step 4: Simplify right side
    537,390.72x = 131,697,245,406.08
  5. Step 5: Solve for x
    x = 131,697,245,406.08/537,390.72
  6. Step 6: Final answer
    x = 245,067.96

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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.