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Finding the Fourth Proportional to 537,729.10, 806,315.74 and 158,601.58

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Solution

The fourth proportional to 537,729.10, 806,315.74 and 158,601.58 is: 237,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,729.10 : 806,315.74 = 158,601.58 : x
  2. Step 2: Convert to fraction form
    537,729.10/806,315.74 = 158,601.58/x
  3. Step 3: Cross multiply
    537,729.10x = 806,315.74 × 158,601.58
  4. Step 4: Simplify right side
    537,729.10x = 127,882,947,930.58
  5. Step 5: Solve for x
    x = 127,882,947,930.58/537,729.10
  6. Step 6: Final answer
    x = 237,820.40

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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.