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Finding the Fourth Proportional to 537,054.29, 805,521.19 and 137,704.44

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Solution

The fourth proportional to 537,054.29, 805,521.19 and 137,704.44 is: 206,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,054.29 : 805,521.19 = 137,704.44 : x
  2. Step 2: Convert to fraction form
    537,054.29/805,521.19 = 137,704.44/x
  3. Step 3: Cross multiply
    537,054.29x = 805,521.19 × 137,704.44
  4. Step 4: Simplify right side
    537,054.29x = 110,923,844,377.08
  5. Step 5: Solve for x
    x = 110,923,844,377.08/537,054.29
  6. Step 6: Final answer
    x = 206,541.21

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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.