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Finding the Fourth Proportional to 246,061.80, 369,311.40 and 210,632.40

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Solution

The fourth proportional to 246,061.80, 369,311.40 and 210,632.40 is: 316,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,061.80 : 369,311.40 = 210,632.40 : x
  2. Step 2: Convert to fraction form
    246,061.80/369,311.40 = 210,632.40/x
  3. Step 3: Cross multiply
    246,061.80x = 369,311.40 × 210,632.40
  4. Step 4: Simplify right side
    246,061.80x = 77,788,946,529.36
  5. Step 5: Solve for x
    x = 77,788,946,529.36/246,061.80
  6. Step 6: Final answer
    x = 316,135.81

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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.