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Finding the Fourth Proportional to 539,458.56, 743,869.44 and 367,488

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Solution

The fourth proportional to 539,458.56, 743,869.44 and 367,488 is: 506,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,458.56 : 743,869.44 = 367,488 : x
  2. Step 2: Convert to fraction form
    539,458.56/743,869.44 = 367,488/x
  3. Step 3: Cross multiply
    539,458.56x = 743,869.44 × 367,488
  4. Step 4: Simplify right side
    539,458.56x = 273,363,092,766.72
  5. Step 5: Solve for x
    x = 273,363,092,766.72/539,458.56
  6. Step 6: Final answer
    x = 506,736.04

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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.