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Finding the Fourth Proportional to 348,016.50, 480,239.82 and 204,748.74

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Solution

The fourth proportional to 348,016.50, 480,239.82 and 204,748.74 is: 282,539.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,016.50 : 480,239.82 = 204,748.74 : x
  2. Step 2: Convert to fraction form
    348,016.50/480,239.82 = 204,748.74/x
  3. Step 3: Cross multiply
    348,016.50x = 480,239.82 × 204,748.74
  4. Step 4: Simplify right side
    348,016.50x = 98,328,498,042.83
  5. Step 5: Solve for x
    x = 98,328,498,042.83/348,016.50
  6. Step 6: Final answer
    x = 282,539.76

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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.