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Finding the Fourth Proportional to 279,246.77, 415,711.61 and 277,586.00

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Solution

The fourth proportional to 279,246.77, 415,711.61 and 277,586.00 is: 413,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,246.77 : 415,711.61 = 277,586.00 : x
  2. Step 2: Convert to fraction form
    279,246.77/415,711.61 = 277,586.00/x
  3. Step 3: Cross multiply
    279,246.77x = 415,711.61 × 277,586.00
  4. Step 4: Simplify right side
    279,246.77x = 115,395,721,588.87
  5. Step 5: Solve for x
    x = 115,395,721,588.87/279,246.77
  6. Step 6: Final answer
    x = 413,239.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.