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Finding the Fourth Proportional to 537,315.78, 805,944.52 and 163,309.62

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Solution

The fourth proportional to 537,315.78, 805,944.52 and 163,309.62 is: 244,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,315.78 : 805,944.52 = 163,309.62 : x
  2. Step 2: Convert to fraction form
    537,315.78/805,944.52 = 163,309.62/x
  3. Step 3: Cross multiply
    537,315.78x = 805,944.52 × 163,309.62
  4. Step 4: Simplify right side
    537,315.78x = 131,618,493,302.28
  5. Step 5: Solve for x
    x = 131,618,493,302.28/537,315.78
  6. Step 6: Final answer
    x = 244,955.57

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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.