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Finding the Fourth Proportional to 610,898.64, 915,979.68 and 273,878.36

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Solution

The fourth proportional to 610,898.64, 915,979.68 and 273,878.36 is: 410,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,898.64 : 915,979.68 = 273,878.36 : x
  2. Step 2: Convert to fraction form
    610,898.64/915,979.68 = 273,878.36/x
  3. Step 3: Cross multiply
    610,898.64x = 915,979.68 × 273,878.36
  4. Step 4: Simplify right side
    610,898.64x = 250,867,012,551.73
  5. Step 5: Solve for x
    x = 250,867,012,551.73/610,898.64
  6. Step 6: Final answer
    x = 410,652.43

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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.