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Finding the Fourth Proportional to 568,650.10, 852,689.91 and 189,437.51

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Solution

The fourth proportional to 568,650.10, 852,689.91 and 189,437.51 is: 284,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,650.10 : 852,689.91 = 189,437.51 : x
  2. Step 2: Convert to fraction form
    568,650.10/852,689.91 = 189,437.51/x
  3. Step 3: Cross multiply
    568,650.10x = 852,689.91 × 189,437.51
  4. Step 4: Simplify right side
    568,650.10x = 161,531,449,089.08
  5. Step 5: Solve for x
    x = 161,531,449,089.08/568,650.10
  6. Step 6: Final answer
    x = 284,061.24

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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.