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Finding the Fourth Proportional to 537,318.65, 741,605.72 and 308,029.89

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Solution

The fourth proportional to 537,318.65, 741,605.72 and 308,029.89 is: 425,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,318.65 : 741,605.72 = 308,029.89 : x
  2. Step 2: Convert to fraction form
    537,318.65/741,605.72 = 308,029.89/x
  3. Step 3: Cross multiply
    537,318.65x = 741,605.72 × 308,029.89
  4. Step 4: Simplify right side
    537,318.65x = 228,436,731,633.38
  5. Step 5: Solve for x
    x = 228,436,731,633.38/537,318.65
  6. Step 6: Final answer
    x = 425,142.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.