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Finding the Fourth Proportional to 369,488.88, 554,313.70 and 113,321.58

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Solution

The fourth proportional to 369,488.88, 554,313.70 and 113,321.58 is: 170,007.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,488.88 : 554,313.70 = 113,321.58 : x
  2. Step 2: Convert to fraction form
    369,488.88/554,313.70 = 113,321.58/x
  3. Step 3: Cross multiply
    369,488.88x = 554,313.70 × 113,321.58
  4. Step 4: Simplify right side
    369,488.88x = 62,815,704,299.65
  5. Step 5: Solve for x
    x = 62,815,704,299.65/369,488.88
  6. Step 6: Final answer
    x = 170,007.02

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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.