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Finding the Fourth Proportional to 433,633.94, 650,447.18 and 338,943.69

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Solution

The fourth proportional to 433,633.94, 650,447.18 and 338,943.69 is: 508,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,633.94 : 650,447.18 = 338,943.69 : x
  2. Step 2: Convert to fraction form
    433,633.94/650,447.18 = 338,943.69/x
  3. Step 3: Cross multiply
    433,633.94x = 650,447.18 × 338,943.69
  4. Step 4: Simplify right side
    433,633.94x = 220,464,966,915.62
  5. Step 5: Solve for x
    x = 220,464,966,915.62/433,633.94
  6. Step 6: Final answer
    x = 508,412.62

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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.