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Finding the Fourth Proportional to 475,096.20, 711,652.70 and 284,953.56

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Solution

The fourth proportional to 475,096.20, 711,652.70 and 284,953.56 is: 426,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,096.20 : 711,652.70 = 284,953.56 : x
  2. Step 2: Convert to fraction form
    475,096.20/711,652.70 = 284,953.56/x
  3. Step 3: Cross multiply
    475,096.20x = 711,652.70 × 284,953.56
  4. Step 4: Simplify right side
    475,096.20x = 202,787,970,348.61
  5. Step 5: Solve for x
    x = 202,787,970,348.61/475,096.20
  6. Step 6: Final answer
    x = 426,835.60

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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.