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Finding the Fourth Proportional to 347,937.70, 480,145.89 and 204,706.96

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Solution

The fourth proportional to 347,937.70, 480,145.89 and 204,706.96 is: 282,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,937.70 : 480,145.89 = 204,706.96 : x
  2. Step 2: Convert to fraction form
    347,937.70/480,145.89 = 204,706.96/x
  3. Step 3: Cross multiply
    347,937.70x = 480,145.89 × 204,706.96
  4. Step 4: Simplify right side
    347,937.70x = 98,289,205,498.39
  5. Step 5: Solve for x
    x = 98,289,205,498.39/347,937.70
  6. Step 6: Final answer
    x = 282,490.82

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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.