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Finding the Fourth Proportional to 279,257.28, 415,727.27 and 277,596.51

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Solution

The fourth proportional to 279,257.28, 415,727.27 and 277,596.51 is: 413,254.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,257.28 : 415,727.27 = 277,596.51 : x
  2. Step 2: Convert to fraction form
    279,257.28/415,727.27 = 277,596.51/x
  3. Step 3: Cross multiply
    279,257.28x = 415,727.27 × 277,596.51
  4. Step 4: Simplify right side
    279,257.28x = 115,404,437,875.85
  5. Step 5: Solve for x
    x = 115,404,437,875.85/279,257.28
  6. Step 6: Final answer
    x = 413,254.89

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1.5x scale

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.