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Finding the Fourth Proportional to 417,754,359.70, 626,631,539.55 and 111,046,472.58

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Solution

The fourth proportional to 417,754,359.70, 626,631,539.55 and 111,046,472.58 is: 166,569,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,754,359.70 : 626,631,539.55 = 111,046,472.58 : x
  2. Step 2: Convert to fraction form
    417,754,359.70/626,631,539.55 = 111,046,472.58/x
  3. Step 3: Cross multiply
    417,754,359.70x = 626,631,539.55 × 111,046,472.58
  4. Step 4: Simplify right side
    417,754,359.70x = 69,585,222,071,269,096
  5. Step 5: Solve for x
    x = 69,585,222,071,269,096/417,754,359.70
  6. Step 6: Final answer
    x = 166,569,708.86

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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.