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Finding the Fourth Proportional to 450,815.94, 676,223.67 and 113,876.58

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Solution

The fourth proportional to 450,815.94, 676,223.67 and 113,876.58 is: 170,814.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,815.94 : 676,223.67 = 113,876.58 : x
  2. Step 2: Convert to fraction form
    450,815.94/676,223.67 = 113,876.58/x
  3. Step 3: Cross multiply
    450,815.94x = 676,223.67 × 113,876.58
  4. Step 4: Simplify right side
    450,815.94x = 77,006,038,854.65
  5. Step 5: Solve for x
    x = 77,006,038,854.65/450,815.94
  6. Step 6: Final answer
    x = 170,814.81

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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.