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Finding the Fourth Proportional to 247,235.88, 341,011.44 and 239,005.80

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Solution

The fourth proportional to 247,235.88, 341,011.44 and 239,005.80 is: 329,659.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,235.88 : 341,011.44 = 239,005.80 : x
  2. Step 2: Convert to fraction form
    247,235.88/341,011.44 = 239,005.80/x
  3. Step 3: Cross multiply
    247,235.88x = 341,011.44 × 239,005.80
  4. Step 4: Simplify right side
    247,235.88x = 81,503,712,026.35
  5. Step 5: Solve for x
    x = 81,503,712,026.35/247,235.88
  6. Step 6: Final answer
    x = 329,659.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.