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Finding the Fourth Proportional to 610,897.14, 915,977.43 and 273,876.84

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Solution

The fourth proportional to 610,897.14, 915,977.43 and 273,876.84 is: 410,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,897.14 : 915,977.43 = 273,876.84 : x
  2. Step 2: Convert to fraction form
    610,897.14/915,977.43 = 273,876.84/x
  3. Step 3: Cross multiply
    610,897.14x = 915,977.43 × 273,876.84
  4. Step 4: Simplify right side
    610,897.14x = 250,865,004,039.72
  5. Step 5: Solve for x
    x = 250,865,004,039.72/610,897.14
  6. Step 6: Final answer
    x = 410,650.15

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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.