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Finding the Fourth Proportional to 537,321.78, 805,953.52 and 163,315.62

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Solution

The fourth proportional to 537,321.78, 805,953.52 and 163,315.62 is: 244,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,321.78 : 805,953.52 = 163,315.62 : x
  2. Step 2: Convert to fraction form
    537,321.78/805,953.52 = 163,315.62/x
  3. Step 3: Cross multiply
    537,321.78x = 805,953.52 × 163,315.62
  4. Step 4: Simplify right side
    537,321.78x = 131,624,798,809.98
  5. Step 5: Solve for x
    x = 131,624,798,809.98/537,321.78
  6. Step 6: Final answer
    x = 244,964.57

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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.