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Finding the Fourth Proportional to 534,860.49, 738,113.25 and 293,137.86

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Solution

The fourth proportional to 534,860.49, 738,113.25 and 293,137.86 is: 404,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,860.49 : 738,113.25 = 293,137.86 : x
  2. Step 2: Convert to fraction form
    534,860.49/738,113.25 = 293,137.86/x
  3. Step 3: Cross multiply
    534,860.49x = 738,113.25 × 293,137.86
  4. Step 4: Simplify right side
    534,860.49x = 216,368,938,542.65
  5. Step 5: Solve for x
    x = 216,368,938,542.65/534,860.49
  6. Step 6: Final answer
    x = 404,533.41

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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.