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Finding the Fourth Proportional to 452,476.53, 678,716.85 and 152,958.71

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Solution

The fourth proportional to 452,476.53, 678,716.85 and 152,958.71 is: 229,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,476.53 : 678,716.85 = 152,958.71 : x
  2. Step 2: Convert to fraction form
    452,476.53/678,716.85 = 152,958.71/x
  3. Step 3: Cross multiply
    452,476.53x = 678,716.85 × 152,958.71
  4. Step 4: Simplify right side
    452,476.53x = 103,815,656,101.65
  5. Step 5: Solve for x
    x = 103,815,656,101.65/452,476.53
  6. Step 6: Final answer
    x = 229,438.76

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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.