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Finding the Fourth Proportional to 606,787.50, 837,367.11 and 338,515.50

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Solution

The fourth proportional to 606,787.50, 837,367.11 and 338,515.50 is: 467,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,787.50 : 837,367.11 = 338,515.50 : x
  2. Step 2: Convert to fraction form
    606,787.50/837,367.11 = 338,515.50/x
  3. Step 3: Cross multiply
    606,787.50x = 837,367.11 × 338,515.50
  4. Step 4: Simplify right side
    606,787.50x = 283,461,745,925.21
  5. Step 5: Solve for x
    x = 283,461,745,925.21/606,787.50
  6. Step 6: Final answer
    x = 467,151.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.