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Finding the Fourth Proportional to 537,991.65, 807,174.29 and 238,682.40

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Solution

The fourth proportional to 537,991.65, 807,174.29 and 238,682.40 is: 358,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,991.65 : 807,174.29 = 238,682.40 : x
  2. Step 2: Convert to fraction form
    537,991.65/807,174.29 = 238,682.40/x
  3. Step 3: Cross multiply
    537,991.65x = 807,174.29 × 238,682.40
  4. Step 4: Simplify right side
    537,991.65x = 192,658,293,654.00
  5. Step 5: Solve for x
    x = 192,658,293,654.00/537,991.65
  6. Step 6: Final answer
    x = 358,106.48

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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.