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Finding the Fourth Proportional to 306,488.88, 459,585.24 and 106,804.56

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Solution

The fourth proportional to 306,488.88, 459,585.24 and 106,804.56 is: 160,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,488.88 : 459,585.24 = 106,804.56 : x
  2. Step 2: Convert to fraction form
    306,488.88/459,585.24 = 106,804.56/x
  3. Step 3: Cross multiply
    306,488.88x = 459,585.24 × 106,804.56
  4. Step 4: Simplify right side
    306,488.88x = 49,085,799,340.69
  5. Step 5: Solve for x
    x = 49,085,799,340.69/306,488.88
  6. Step 6: Final answer
    x = 160,155.24

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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.