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Finding the Fourth Proportional to 537,937.15, 806,964.18 and 201,139.15

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Solution

The fourth proportional to 537,937.15, 806,964.18 and 201,139.15 is: 301,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,937.15 : 806,964.18 = 201,139.15 : x
  2. Step 2: Convert to fraction form
    537,937.15/806,964.18 = 201,139.15/x
  3. Step 3: Cross multiply
    537,937.15x = 806,964.18 × 201,139.15
  4. Step 4: Simplify right side
    537,937.15x = 162,312,089,245.65
  5. Step 5: Solve for x
    x = 162,312,089,245.65/537,937.15
  6. Step 6: Final answer
    x = 301,730.58

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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.