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Finding the Fourth Proportional to 246,487.90, 369,476.70 and 133,930.30

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Solution

The fourth proportional to 246,487.90, 369,476.70 and 133,930.30 is: 200,756.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,487.90 : 369,476.70 = 133,930.30 : x
  2. Step 2: Convert to fraction form
    246,487.90/369,476.70 = 133,930.30/x
  3. Step 3: Cross multiply
    246,487.90x = 369,476.70 × 133,930.30
  4. Step 4: Simplify right side
    246,487.90x = 49,484,125,274.01
  5. Step 5: Solve for x
    x = 49,484,125,274.01/246,487.90
  6. Step 6: Final answer
    x = 200,756.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.