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Finding the Fourth Proportional to 537,491.16, 806,207.58 and 163,485

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Solution

The fourth proportional to 537,491.16, 806,207.58 and 163,485 is: 245,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,491.16 : 806,207.58 = 163,485 : x
  2. Step 2: Convert to fraction form
    537,491.16/806,207.58 = 163,485/x
  3. Step 3: Cross multiply
    537,491.16x = 806,207.58 × 163,485
  4. Step 4: Simplify right side
    537,491.16x = 131,802,846,216.30
  5. Step 5: Solve for x
    x = 131,802,846,216.30/537,491.16
  6. Step 6: Final answer
    x = 245,218.63

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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.