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Finding the Fourth Proportional to 524,161.29, 786,605.45 and 239,886.57

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Solution

The fourth proportional to 524,161.29, 786,605.45 and 239,886.57 is: 359,996.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,161.29 : 786,605.45 = 239,886.57 : x
  2. Step 2: Convert to fraction form
    524,161.29/786,605.45 = 239,886.57/x
  3. Step 3: Cross multiply
    524,161.29x = 786,605.45 × 239,886.57
  4. Step 4: Simplify right side
    524,161.29x = 188,696,082,144.37
  5. Step 5: Solve for x
    x = 188,696,082,144.37/524,161.29
  6. Step 6: Final answer
    x = 359,996.22

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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.