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Finding the Fourth Proportional to 487,737.89, 673,104.44 and 272,865.14

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Solution

The fourth proportional to 487,737.89, 673,104.44 and 272,865.14 is: 376,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,737.89 : 673,104.44 = 272,865.14 : x
  2. Step 2: Convert to fraction form
    487,737.89/673,104.44 = 272,865.14/x
  3. Step 3: Cross multiply
    487,737.89x = 673,104.44 × 272,865.14
  4. Step 4: Simplify right side
    487,737.89x = 183,666,737,255.22
  5. Step 5: Solve for x
    x = 183,666,737,255.22/487,737.89
  6. Step 6: Final answer
    x = 376,568.52

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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.