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Finding the Fourth Proportional to 537,344.40, 806,045.40 and 163,338.96

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Solution

The fourth proportional to 537,344.40, 806,045.40 and 163,338.96 is: 245,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,344.40 : 806,045.40 = 163,338.96 : x
  2. Step 2: Convert to fraction form
    537,344.40/806,045.40 = 163,338.96/x
  3. Step 3: Cross multiply
    537,344.40x = 806,045.40 × 163,338.96
  4. Step 4: Simplify right side
    537,344.40x = 131,658,617,348.78
  5. Step 5: Solve for x
    x = 131,658,617,348.78/537,344.40
  6. Step 6: Final answer
    x = 245,017.19

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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.