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Finding the Fourth Proportional to 273,618.38, 410,569.68 and 207,038.72

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Solution

The fourth proportional to 273,618.38, 410,569.68 and 207,038.72 is: 310,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,618.38 : 410,569.68 = 207,038.72 : x
  2. Step 2: Convert to fraction form
    273,618.38/410,569.68 = 207,038.72/x
  3. Step 3: Cross multiply
    273,618.38x = 410,569.68 × 207,038.72
  4. Step 4: Simplify right side
    273,618.38x = 85,003,821,018.01
  5. Step 5: Solve for x
    x = 85,003,821,018.01/273,618.38
  6. Step 6: Final answer
    x = 310,665.61

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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.