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Finding the Fourth Proportional to 591,587.59, 816,558.12 and 349,954.21

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Solution

The fourth proportional to 591,587.59, 816,558.12 and 349,954.21 is: 483,035.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,587.59 : 816,558.12 = 349,954.21 : x
  2. Step 2: Convert to fraction form
    591,587.59/816,558.12 = 349,954.21/x
  3. Step 3: Cross multiply
    591,587.59x = 816,558.12 × 349,954.21
  4. Step 4: Simplify right side
    591,587.59x = 285,757,951,803.69
  5. Step 5: Solve for x
    x = 285,757,951,803.69/591,587.59
  6. Step 6: Final answer
    x = 483,035.74

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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.